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265 Cards in this Set

  • Front
  • Back

The pressure in the systemic arteries during ventricular contractions is:


a. diastolic blood pressure


b. osmotic pressure


c. systolic blood pressure


d. low pressure

The pressure in the systemic arteries during ventricular contraction is (c) systolic blood pressure.




Diastolic blood pressure is present when the ventricles are relaxed and therefore is lower than systolic blood pressure

The difference between systolic and diastolic pressures of the expanding and contracting arterial walls is the:


a. pulse


b. osmotic pressure


c. end-systolic volume


d- stroke volume

The difference between systolic and diastolic pressures of the expanding and contracting arterial walls is the (a) pulse




A stronger palpated pulse is due to a greater pulse pressure

The wave on an electrocardiogram that is associated with arterial wall depolarization is the:


a. PR interval


b. T wave


c. QRS complex


d. P wave

The wave on an electrocardiogram that is associated with arterial wall depolarization is the (d) P wave.




The PR interval is the length of time for the impulse to travel through the AV node. T wave is ventricular repolarization and the QRS complex is ventricular depolarization.

In what order does the impulse for depolarization travel through the heart?


a. AV node, SA node, bundle of His, Purkinje fibers


b. SA node, AV node, bundle of His, Purkinje fibers


c. SA node, AV node, Purkinje fibers, bundle of His


d. AV node, SA node, Purkinje fibers, bundle of His

The order the impulse for depolarization travels through the heart is (b) SA node, AV node, bundle of His, Purkinje fibers

The adrenal cortex is made up of all of the following except


a. zona glomerulosa


b. zona medullata


c. zona fasciculata


d. zona reticularis

The adrenal cortex is made up of all of the following zona glomerulosa, zona fasciculata, zona reticularis but not the (b) zona medullata

the lymphatic system is not involved in


a. waste material transport


b. protein transport


c. carbohydrate transport


d. fluid transport

the lymphatic system is involved in waste material transport, protein transport, and fluid transport but not (c) carbohydrate transport

which is not a lymphatic structure?


a. peyers patches


b. haustra


c. lacteals


d. thoracic duct

Pyers patches, haustra, and lacteals are lymphatic structures but (d) thoracic ducts are not

The lymphatic structure found in the small intestines responsible for the transport of fats and fat-soluble vitamins is


a. peyers patches


b. lacteals


c. popliteal lymph nodes


d. spleen

The lymphatic structure found in the small intestines responsible for the transport of fats and fat-soluble vitamins is (b) lacteals




Lacteals are intestinal lymph tissue thattransports fats that are too large to be transported by the circulatory system

what structure is not found in the brainstem?


a. midbrain


b. pons


c. hypothalamus


d. medulla oblongata

The midbrain, pons, and medulla oblongata is found in the brainstem but the (c) hypothalamus is not

which of these is not a catecholamine?


a. norepinephrine


b. acetylecholine


c. epinephrine


d. dopamine

Norepinephrine, epinephrine, and dopamine are catecholamines but (b) acetylecholine is not

which animal does not have a gall bladder?


a. goat


b. donkey


c. cat


d. sheep

(b) donkeys do not have a gall bladder

which of the following is a posterior pituitary hormone?


a. luteinizing hormone


b. growth hormone


c. oxytocin


d. follicle stimulating hormone

(c) oxytocin is a posterior pituitary hormone

Sperm cells are produced by the


a. seminiferous tubule


b. epididymis


c. vas deferens


d. seminal vesicles

Sperm cells are produced by the (A) seminiferous tubule

what domestic species lacks the bulbourethral gland, also called Cowpers gland?


a. equine


b. feline


c. canine


d. bovine

(c) canines lack the bulbourethral gland also called Cowpers gland

all of the following are induced ovulators except


a. rabbit


b. rat


c. cat


d. ferret

all of the following are induced ovulators rabbits, cats, and ferrets but not (b) rats

the time period from the beginning of one heat cycle to the beginning of the next is called


a. estrous


b. estrus


c. ovulation


d. the mating cycle

the time period from the beginning of one heat cycle to the beginning of the next is called (a) estrous




Estrous is the time from the start of one heat cycle to the start of the next. estrus is the actual heat period

What primary ovarian structure is responsible for the release of estrogen?


a. follicle


b. placenta


c. corpus hemorrhagicum


d. corpus luteum

THe primary ovarian structure responsible for the release of estrogen is (a) follicle

what hormone is given to prevent pregnancies in dogs that have been unintentionally "mismatched"?


a. oxytocin


b. LH


c. estrogen


d. progesterone

(C) estrogen is given to prevent pregnancies in dogs that have been unintentionally "mismatched"

The average gestation length in the ferret is


a. 69 days


b. 42 days


c. 151 days


d. 20 days

The average gestation length in the ferret is (b) 42 days

The condition known as pseudopregnancy can result from an exaggerated


a. anestrus


b. metestrus


c. diestrus


d. proestrus

The condition known as pseudopregnancy can result from an exaggerated (c) diestrus

The thorax is normally under


a. partial pressure


b. positive pressure


c. equilibrium


d. negative pressure

The thorax is normally under (d) negative pressure




The thorax is under negative pressure. This pulls the lungs against the thoracic wall allowing the lungs the move with the thorax as it expands or contracts

The hormone primarily responsible for preventing hypocalcemia is


a. t4


b. parathyroid hormone


c. calcitonin


d. vitamin D

The hormone primarily responsible for preventing hypocalcemia is (B) parathyroid hormone




parathyroid hormone prevents hypocalcemia by stimulating bone degradation

the hormone primarily responsibile for prevent hypercalcemia is


a. t4


b. parathyroid hormone


c. calcitonin


d. vitamin d

The hormone primarily responsible for preventing hypercalcemia is (C) calcitonin




Calcitonin prevents hypercalcemia by depositing excess calcium in the bones

The shaft of the bone is also called the


a. trunk


b. epiphysis


c. periosteum


d. diaphysis

the shaft of the bone is also called the (D) diaphysis

The first cervical vertebra C1 is referred to as the


a. axis


b. atlas


c. arch


d. auricle

The first cervical vertebra C1 is referred to as the (b) atlas




C2 is the axis

The average rate of equine hoof growth per month is


a. 2 inches


b. 1/2 inch


c. 1 inch


d. 1/4 inch

The average rate of equine hoof growth per month is (d) 1/4 inch



Adult cattle have how many upper incisors


a. 6


b. 4


c. 0


d. 5

Adult cattle have (C) 0 upper incisors




The dental formula for adult cattle is


0033/3133

The anatomic term for synovial joints is


a. fibroarthroses


b. amphiarthorses


c. synarthroses


d. diarthroses

The anatomic term for synovial joints is (D) diarthroses

which joint is not a synovial joint?


a. hinge joint


b. gliding joint


c. swinging joint


d. pivot joint

A hinge joint, gliding joint, and pivot joint are examples of synovial joints but a (c) swinging joint is not

In the kidney, the primary site of action of ADH is in the


a. loop of henle


b. proximal convoluted tubule


c. glomerulus


d. collecting ducts

In the kidney, the primary site of action of ADH is in the (D) collecting ducts

The renal corpuscle is located in the


a. renal pelvis


b. hilus


c. medulla


d. cortex

the renal corpuscle is located in the (d) cortex

the renal corpuscle is composed of the


a. glomerulus and bowman capsule


b. collecting ducts and proximal convoluted tubule


c. descending and ascending loops of henle


d. collecting ducts and afferent arteriole

the renal corpuscle is composed of the (A) glomerulus and bowman capsule

the trunk of an animal is defined as


a. the front half of the animal


b. the back half of the animal


c. the thorax of the animal


d. the thorax and the abdomen of the animl

the trunk of an animal is defined as (D) the thorax and abdomen of the animal




the trunk is the part of the body that the head and limbs are attached to

the area between the thorax and the front leg is called the


a. axilla


b. inguina


c. forearm


d. armpit

the area between the thorax and the front leg is called the (a) axilla




proper veterinary terminology should always be used, animals do not have "Arms"

the middle phalanx is located


a. lateral to the distal phalanx


b. distal to the distal phalanx


c. medial to the distal phalanx


d. proximal to the distal phalanx

the middle phalanx is (D) proximal to the distal phalanx




phalanges are named proximal, middle, and distal from the point closest tot he trunk of the body

The feline liver is normally ___ to the kidneys


a. dorsal


b. ventral


c. caudal


d. cranial

The feline liver is normally (D) cranial to the kidneys




in a normally positioned animal with a normal liver, the liver sits cranial in the abdomen, and the kidneys are in the midlumbar region

The large muscle of the caudal aspect of the canine lower hind leg is the


a. tibialis anterior


b. gracilis


c. semimbranosus


d. gastrocnemius

The large muscle of the caudal aspect of the canine lower hind leg is the (D) gastrocnemius



in humans this is the "calf" muscle. in dogs it is the largest bellied muscle on the back of the lower hind leg


Fascia is described as


a. the facial muscular surface


b. a tough sheet of fibrous connective tissue


c. a broad band of muscle fiber


d. a lacy network of connective tissue

fascia is described as (b) a tough sheet of fibrous connective tissue




fascia can be found in several parts of the body but is always a sheet or band of fibrous connective tissue

the deltoid muscles allow fine movements of the


a. shoulder


b. hip


c. elbow


d. spine

the deltoid muscles allow fine movements of the (A) shoulder




the deltoid muscles are a group of muscles at the lateral edge of the scapula; they are triangular in shape and help flex the shoulder and abduct the foreleg

cats have several salivary glands. the gland that is located under the eye above the upper jaw is called the


a. interorbital gland


b. supraorbital gland


c. infraorbital gland


d. intraorbital gland

cats have several salivary glands. the gland that is located under the eye above the upper jaw is called the (c) infraorbital gland




under = sub or infra; the eye = orbit

The middle portion of the small intestine is the


a. jejunum


b. jejunem


c. jajunem


d. jujunem

The middle portion of the small intestine is the (a) jejunum




Spelling counts. This is the only one of the small intestinal divisions that ends in -unum. The e at the beginning of the word is for "Eat"

The cat larynx is made up of four cartilages. Which one is not one of them?


a. arytenoid


b. cricoid


c. epiglottis


d. glottis

The cat larynx is made up of four cartilages, which includes the arytenoid, cricoid, and epiglottis but not the (D) glottis




the glottis is the opening between the vocal folds through which an endotracheal tube passes

the muscle that lies along the outer thorax that looks like a fan of fingers or a jagged saw edge is the


a. latissimus dorsi


b. serratus ventralis


c. subscapularis


d. external intercostals

the muscle that lies along the outer thorax that looks like a fan of fingers or a jagged saw edge is the (B) serratus ventralis




serratus means "saw like"

A cloven-hoofed animal has how many phalanges on each digit?


a. 1


b. 2


c. 3


d. 4

A cloven-hoofed animal has (c) 3 phalanges on each digit

the cardiovascular system has four components. which of the following is not part of the system?


a. heart


b. blood circulation


c. blood vessels


d. lungs

The cardiovascular system has 4 components - the (D) lungs are not part of system




the cardiovascular system includes the heart, blood, blood circulation , and blood vessels

the appendicular skeleton includes the


a. os cordis


b. ribs


c. pelvic girdle


d. clavicles

the appendicular skeleton includes the (c) pelvic girdle




the os cordis, ribs, and clavicles, are part of the visceral skeleton

which animal does not have an os penis?


a. dog


b. cat


c. wolf


d. pig

the (D) pig does not have an os penis




no ungulates (hoofed animals) have an os penis

which statement best describes short bones?


a. greater size in one dimension than another


b. filled with spongy bone and marrow spaces


c. thick outer layer of compact bone


d. developed along the course of tendons

The best description of short bones is (B) filled with spongy bone and marrow spaces




short bones are somewhat cubodial or approximately equal in all dimensions. they have no large marrow cavity but the interior is filled with spongy bone and marrow spaces. the exterior is a thin layer of compact bone. their function is to absorb concussion forces, and they are found in complex joints such as the carpus and tarsus

the scapula is an example of a


a. long bone


b. short bone


c. flat bone


d. irregular bone

the scapula is an example (c) flat bone




flat bones are thin, expand in 2 dimensions, and consist of 2 plates of compact bone separated by spongy material. they protect vital organs such as the brain (skull), heart and lungs (scapula), pelvic viscera (pelvis), and thoracic organs (Ribs)

a cloven-hoofed animal stands on which digits


a. 1 and 2


b. 2 and 3


c. 3 and 4


d. 4 and 4

A cloven-hoofed animal stands on digits (C) 3 and 4




most cloven-hoofed animals have no first digit and their second and fifth digits are either vestigial or missing

A skull suture is an example of what type of joints?


a. diarthrosis


b. synarthrosis


c. amphiarthrosis


d. cartilaginous

a skull suture is an example of a (b) synarthrosis joint




the skull suture is an example of a fibrous or synarthrotic joint in which fibrous tissue unites bone and permits no movement

muscles and ligaments attach to structures on bony surfaces. which of the following is not one of these found in the forelimb?


a. trochanter


b. tuberosity


c. spine


d. epicondyle

muscles and ligaments attach to structures on bony surfaces. Tuberosities, spines, and epicondyles are found in the forelimb while (a) trochanters are found on the femur only

which structure will not allow blood vessels and nerves to pass through


a. meatus


b. sinus


c. foramen


d. facet

(d) a facet will not allow blood vessels or nerves to pass through




a facet is a smooth, nearly flat articular surface. A meatus, foramen, and facet are holes or channels

the joint between the bony rib and the cartilaginous portion of the rib is called the


a cartilaginous junction


b. chondrocartilaginous junction


c. costochondral junction


d. costicartilaginous junction

the joint between the bony rib and the cartilaginous portion of the rib is called the (C) costochondral junction




costo = rib, chondral = cartilage

dogs have how many cervical, thoracic and lumbar vertebrae?


a. 7, 13, 6


b. 7, 12, 7


c. 6 , 13, 7


d. 7, 13, 7

Dogs have (d) 7 cervical vertebrae, 13 thoracic vertebrae, and 7 lumbar vertebrae

what is the value of X in this cow's dentition chart? I 0/3; C 0/1; PM 3/3-4; M X/3


a.4


b.3


c.2


d.1

The dentition of a cow is I 0/3; C 0/1; PM 3/3-4; M 3/3 meaning the value of x was (B) 3

What structure disseminates electrical impulses across the ventricles?


a. perkinje fibers


b. purkinje fibers


c. purkinge fibers


d. perkingi fibers

(b) the purkinje fibers disseminate electrical impulses across the ventricles




the fibers that lie along the bottom and sides of the inner ventricles are named after J.E. purkinjem a bohemian anatomist

Systole is


a. contraction of the atria and ventricles


b. relaxation of the atria and ventricles


c. contraction of the atria and relaxation of the ventricles


d. relaxation of the atria and contraction of the ventricles

Systole is (a) contraction of the atria and ventricles




Diastole is the relaxation period between contractions; conversely systole describe the contraction phases, first of the atria, then of theventricles

Blood enters the heart from the pulmonary veins in the


a. left ventricle


b. right ventricle


c. left atrium


d. right atrium

Blood enters the heart from the pulmonary veins in the (c) left atrium

What blood pressure value is not as important in veterinary medicine in comparison to human medicine?


a. systolic


b. diastolic


c. pulse


d. vessel

(b) diastolic blood pressure is not as important in veterinary medicine in comparison to human medicine




systole is the contraction that provides the blood pressure in the arteries and is more easily measured

Systemic circulation includes


a. portal and peripheral circulation


b. cardiac and portal circulation


c. cardiac and pulmonary circulation


d. pulmonary and appendicular circulation

Systemic circulation includes (a) portal and peripheral circulation



Systemic refers the blood circulation outsides the thorax

The name of the hole between the cardiac atria that closes at birth in the mammal is


a. cardiac fossa


b. atria foramen


c. fossa foramen


d. foramen ovale

The name of the hole between the cardiac atria that closes at birth in the mammal is (D) foramen ovale




the closed-up foramen ovale is called the fossa ovalis in an adult

which of these is not a characteristic of lymph?


a. tissue fluids


b. a large number of neutrophils


c. virtually colorless


d. part of the circulatory system

the following are characteristics of lymph: tissue fluids, virtually colorless, and part of the circulatory system but (b) a large number of neutrophils is not a characteristic of lymph




lymph is made up of 95% water, plasma proteins, and chemical substances from the blood plasma. its sparse cellular components contains mostly lymphocytes

The thymus


a. is another name for the thyroid gland


b. produces cells that destroy foreign substances


c. is more prominent in adults than in young animals


d. is located in the cranial abdomen

The thymus (b) produces cells that destroy foreign substances




The thymus is lymphy tissue located in the mediastinum, cranial to the heart and produces cells that destroy foreign substancesa nd the formation of lymphocytes. it is most easily seen in young aniamls because it begins to atrophy as the animal ages

what organ is most commonly associated with the capacity for extramedullary hematopoiesis if necessary?


a. spleen


b. pancreas


c. lung


d. prostate

the (a) spleen is most commonly associated with the capacity for extramedullary hematopoiesis if necessary




the spleen's major functions are hemopoiesis, phagocytosis, and storage of blood in the splenic pulp

association neurons are part of what system?


a. peripheral


b. interneuron


c. sensory


d. extraneuron

association neurons are part of (B) the interneuron system




association neurons, also called interneurons, link sensory neurons with motor neurons or other association neurons

Efferent neurons are part of what system?


a. motor


b. interneuron


c. sensory


d. extraneuron

efferent neurons are part of the (A) motor system




efferent neurons are neurons that response to afferent stimulus to create an effect. a simple example is touching something hot; the afferent neurons relay a message to the brain to pull away and the efferent neurons stimulate the action to pull away, which is a motor function

afferent neurons are part of what system?


a. motor


b. interneuron


c. sensory


d. extraneuron

afferent neurons are part of the (C) sensory system




Afferent neurons are the sensing neurons that affect the brain to respond a simple example is touching something hot; the afferent neurons relay a message to the brain to pull away and the efferent neurons stimulate the action to pull away, which is a motor function

Albumin is produced in the


a. liver


b. red bone marrow


c. lymph nodes


d. pancreas



albumin ins produced in the (a) liver



how does the volume of the right ventricle compare with that of the left ventricle


a. the right ventricle has less volume than the left but pumps more blood than the left ventricle


b. the right ventricle has less volume than the left


c. the right and left ventricles have the same volume


d. the right ventricle generally holds more blood than the left but does not pump as much as the left

in regards to the volume of the right and left ventricles (C) the right and left ventricles have the same volume

which of the following are antibodies?


a. gamma globulines


b. albumin


c. fibrinogen


d. thrombocytes

(a) gamma globulins are antibodies

the liver receives blood via what two different routes?


a. mesenteric arteries and the caudal vena cava


b. hepatic artery and the portal veins


c. cranial mesenteric artery and the hepatic artery


d. hepatic artery and the haptic vein

The liver receives blood vai the (B) hepatic artery and the portal veins

red blood cell production is stimulated by


a. hypoxia and erythropoietin


b. erytropoietin and throbocytes


c. fibrinogen and acetylecoline


d. coagulation cascade

red blood cell production is stimulated by (A) hypoxia and erythropoietin

When an animal becomes severely dehydrated, it loses both tissue fluid and plasma fluid. what effect would this have on the hematocrit and PCV?


a. increase both values


b. decrease both values


c. increase the hematocrit but no effect on the PCV


d. no change in either

When an animal becomes severely dehydrated, it loses both tissue fluid and plasma fluid. This causes (A) an increase in both the hematocrit and the PCV

What is meant by cardiac output


a. strokes (Beats) per minute


b. volume of blood pumped per stroke (beaT)


c. volume of blood pumped per minute


d. strokes (Beats) per volume

Cardiac output means (C) volume of blood pumped per minute




cardiac output =stroke volume x heart rate

in the normal heart ECG, the QRS complex corresponds to what portion of the cardiac cycle?


a. atrial systole


b. atrial diastole


c. ventricular systole


d. ventricular diastole

In the normal heart ECG, the QRS complex corresponds to (c) ventricular systole


The QRS complex represent depolarization of the ventricles

decreased osmotic pressure in blood would cause


a. decreased blood flow


b. edema in tissues and/or lungs


c. increased hydrostatic pressure


d. increased cardiac output

decreased osmotic pressure in blood would cause (b) edema in tissues and/or lungs




decreased osmotic pressure in the blood would result in fluid moving out into the tissues

Albumin plays a role in


a. bladder control


b. hydrostatic pressure in blood


c. osmotic pressure in blood


d. nervous stimulation

Albumin plays a role in (c) osmotic pressure in the blood




albumin is one of the plasma proteins

horses and ruminants gain much of their energy from a product produced by microbes during fermentation. What is this product?


a. lipids


b. volatile fatty acids


c. amalyase


d. trypsinogen

horses and ruminants gain much of their energy from a product produced by microbes during fermentation. This product is (b) volatile fatty acids

Fermentation in the horse occurs in what two portions of the digestive tract?


a. cecum and large colon (ventral and dorsal colons)


b. ileum and jejunum


c. duodenum and large colon (Ventral and dorsal colons


d. cecum and rectum

Fermentation in the horse occurs in the (A) cecum and large colon (Ventral and dorsal colons)

The term for an animal ingesting its own feces is


a. corpophagy


b. coprophagy


c. corpology


d. coprology

The term for an animal ingesting its own feces is (b) coprophagy

In the bovine, ingesta freely moves back and forth between the rumen and the


a. omasum


b. abomasum


c. reticulum


d. duodenum

In the bovine, ingesta freely moves back and forth between the rumen and the (c) reticulum

Which of these species does not posses a gall bladder?


a. pig


b. horse


c. goat


d. dog

pigs, goats, and dogs all have gall baldders but (b) horses do not have a gall bladders

What hormone stimulates the release of gastric secretions?


a. gastrin


b. secretin


c. calcitonin


d. insulin

(A) gastrin stimulates the release of gastric secretions

The lymph vessels that absorb fats within the villi of the small intestine are called


a. pylorus


b. ileus


c. lacteals


d. peyers patches

The lymph vessels that absorb fats within the villi of the small intestine are called (C) lacteals

What enzyme group breaks down fats within the digestive tract?


a. amylase


b. lipase


c. protease


d. secretin

(b) lipase is the enzyme group that breaks down fats within the digestive tract

What are the two vitamins produced by the gut bacteria involved in fermentation?


a. vitamins C and D


b. vitamins B12 and niacin


c. vitamins B and K


d. vitamins A and E

(c) Vitamins B and K are the two vitamins produced by the gut bacteria involved in fermentation

what enzyme breaks down carbohydrates in the digestive tract?


a lipase


b. amylase


c. protease


d. tryptase

(b) amylase is the enzyme that breaks down carbohydrates in the digestive tract




amylase breaks down carbohydrates and is contained in the saliva

What structures in the mucosa of the small intestine increase the surface area?


a. fimbria


b. cilia


c. brush borders


d. villi

(d) villi are structures in the mucosa of the small intestine that increase surface area




villi, which also contain microvilli, are adaptations of the mucosa to increase surface area for absorption of nutrients

What substance provides lubrication to joints and nourishment to articular cartilage cells?

a. intra-articular fluid


b. plasma


c. serum


d. synovial fluid


(D) synovial fluid provides lubrication to joints and nourishment to articular cartilage cells




synovial fluid is produced by the synovial membrane that lines the joint capsules

Which of the following is isotonic to plasma?


a. sterile water


b. 0.9% saline solution


c. 7.5% NaCl solution


d. 0.45% NaCl saline solution

(b) 0.9% saline solution is isotonic to plasma

where would you find stratified squamous epithelial tissue in the mammalian body?


a. in the urinary bladder


b. in the epidermis


c. lining the heart


d. in the tendons and ligaments

You would find stratified squamous epithelial tissue (b) in the epidermis in the mammalian body

The layer of the integument that contains the blood vessels is the


a. epidermis


b. stratum corneum


c. dermis


d. hypodermis

The layer of the integument that contains the blood vessels is the (c) dermis

The bone type that makes up the diaphysis of the long bone is


a. cancellous


b. spongy


c. articular


d. compact

The bone type that makes up the diaphysis of the long bone is (d) compact

prolonged inactivity causes a decrease in muscle size, which is called


a. atrophy


b. hypotrophy


c. hypertrophy


d. inotrophy

prolonged inactivity causes a decrease in muscle size, which is called (a) atrophy

The second heart sound is produced by


a. closure of the aortic and pulmonary valves


b. closure of the mitral and tricuspid valves


c. closure of the aortic and mitral valves


d. closure of the mitral and pulmonary valves

The second heart sound is produced by (a) the closures of the aortic and pulmonary valves




The first heart sound is produced by the closure of the two atrioventricular valves. the second heart sound is produced by the closure of the two ventricular outflow valves

Which of the following organs is not essential to life?


a. heart


b. liver


c. pancreas


d. spleen

the heart, liver, and pancreas are all essential to life but the (D) spleen is not essential to life




removal of the spleen is not life threatening. removal of any of the organs listed is fatal

Which of the following white blood cells is not a granulocyte?


a. basophil


b. eosinophil


c. monocyte


d. neutrophil

Basophils, eosinophils, and neutrophils are granulocytes but (c) monocytes are agranulocytes

for what blood cell is phagocytosis the main function?


a. basophil


b. eosinophil


c. monocyte


d. red blood cell

Phagocytosis is the main function of the (C) monocyte

What blood vessel normally carries oxygen-rich blood?


a. aorta


b. pulmonary artery


c. umbilical artery


d. vena cava

The (a) aorta normally carries oxygen-rich blood

Atropine works primarily by


a. stimulating the sympathetic system


b. blocking the sympathetic system


c. stimulating the parasympathetic system


d. blocking the parasympathetic actions

Atropine works primarily by (D) blocking the parasympathetic actions

Edema would most likely develop during or after which one of the following conditions?


a. salt defciency


b. dehydration


c. low blood pressure


d. inactivity

Edema would most likely develop during or after (d) inactivity

The primary constituent of blood responsible for the oncotic (osmotic) pressure of blood is


a. NaCl


b. albumin


c. hemoglobin


d. red blood cells

The primary constituent of blood responsible for the oncotic (osmotic) pressure of blood is (b) albumin

on inspiration the pressure in the thoracic cavity compared with the ambient air pressure is


a. negative


b. positive


c. same as the ambient air pressure


d. fluctuating

on inspiration the pressure in the thoracic cavity compared with the ambient air pressure is (a) negative



An increased PCV (packed cell volume) could be indicative of


a. liver disease


b. anemia


c. leucocytosis


d. dehydration

An increased PCV (packed cell volume) could be indicative of (D) dehydration

apnea will cause


a. metabolic acidosis


b. metabolic alkalosis


c. respiratory acidosis


d. respiratory alkalosis

apnea will cause (c) respiratory acidosis




cause by a buildup of CO2

Which of the following nutrients can be used for gluconeogenesis?


a. long-chain fatty acids


b. amino acids


c. vitamin c


d. iron

(b) amino acids can be used for gluconeogenesis

A physiologic isotonic solution would contain


a. 100 mOsm


b. 200 mOsm


c. 300 mOsm


d. 500 mOsm

A physiologic isotonic solution would contain (c) 300 mOsm

Cholesterol is necessary for


a. extracellular transport


b. cell membrane production


c. urine excretion


d. vitamin C metabolism

Cholesterol is necessary for (d) vitamin C metabolism

Which of the following is not a function of insulin?


a. increased glucose transport into muscle


b. lipogenesis


c. fatty acid syntehsis


d. increased blood pressure

The functions of insulin include increased glucose transport into muscle, lipogenesis, and fatty acid synthesis but (d) increased blood pressure is not a function of insul

Nociceptors are important for detecting


a. color


b. warmth


c. lactic acid


d. pain

Nociceptors are important for detecting (D) pain

Areas with low sensory sensitivity are characterized by


a. nerves with small receptor fields


b. overlapping receptor fields


c. large numbers of neurons


d. lots of convergence

Areas with low sensory sensitivity are characterized by (d) lots of convergence

The vagus cranial nerve is cranial nerve


a. X


b. XII


c. V


d. VI

The vagus cranial nerve is cranial nerve (A) X which controls sensory, motor, and autonomic functions of the viscera




Cranial Nerve XII is the hypoglossal nerve which controls tongue movement. Cranial nerve V is the Trigeminal nerve which is involved with somatosensory information from the face and head and muscles for chewing. Cranial nerve VI is the abducens nerve which controls eye movement

Fat in the lymph would most likely be associated with


a. HDL cholesterol


b. chylomicrons


c. chyle


d. LDL cholesterol

Fat in the lymph would most likely be associated with (b) chylomicrons

Clinical ketosis in dairy cattle is most common in


a. first-calf heifers


b. fat cows


c. dairy bulls


d. steers

Clinical ketosis in dairy cattle is most common in (B) fat cows

For an animal that has lost RBCs to a moderate hookworm infection, one would expect capillary refill time to be


a. less than 2 seconds


b. greater than 4 seconds


c. greater than 2 minutes


d. greater than 4 minutes

For an animal that has lost RBCs to a moderate hookworm infection, one would expect capillary refill time to be (a) less than 2 seconds




to compensate for the moderate anemia, the blood pressure would be nomral to increased

What is called the "knee" in the forelimb of horse would be called the ____ in the human


a. hip joint


b. wrist joint


c. finger joint


d. knee joint

What is called the "knee" in the forelimb of horse would be called the (b) wrist joint in the human




the carpus in the horse is called a knee joint which is the equivalent to the wrist joint in a person

A capillary refill time of 2 seconds would suggest


a. shock


b. anemia


c. a healthy animal


d. dehydration

A capillary refill time of 2 seconds would suggest (C) a healty animal




two seconds or less is a normal value for capillary refill time

What is the name for the larger, flat projection located lateral to the head of the femur?


a. lesser trochanter


b. greater trochanter


c. trochanteric fossa


d. tubercle

the (B) greater trochanter is the large, flat projection located lateral to the head of the femur

what layer of bone tissue is necessary for attachment of ligaments and tendons?


a. periosteum


b. endosteum


c. cartilage


d. meniscus

(a) periosteum is a layer of bone tissue necessary for attachment of ligaments and tendons

The fibrous covering around the part of the bone not covered by articular cartilage is


a. endosteum


b. ligament


c. tendon


d. periosteum

The fibrous covering around the part of the bone not covered by articular cartilage is (d) periosteum

What two valves comprise the semilunar valves?


a. mitral valve, pulmonic valve


b. pulmonic valve, aortic valve


c. mitral valve, tricuspid valve


d. pulmonic valve, tricuspid valve

the semilunar valves are the (B) pulmonic valve and the aortic valve




The pulmonic valve is the right ventricular outflow valve and the aortic valve is the left ventricular outflow valve

The normal dentition pattern for an adult cat is


a. incisor 3/3, canine 1/1, premolar 3/2, molar 1/1


b. incisor 3/3, canine 1/1, premolar 4/3, molar 2/2


c. incisor 3/3, canine 1/1, premolar 4/4, molar 3/3


d. incisor 3/3, canine 1/1, premolar 4/4, molar 2/3

The normal dentition pattern for an adult cat is (A) incisor 3/3, canine 1/1, premolar 3/2, molar 1/1, adult cats have a total of 30 teeth




answer (C) incisor 3/3, canine 1/1, premolar 4/4, molar 3/3 is the dentition of an adult pig


answer (D) incisor 3/3, canine 1/1, premolar 4/4, molar 2/3 is the dentition of an adult dog

how many air sacs does a chicken have?


a. 4


b. 6


c. 8


d. 9

a chicken has (c) 8 air sacs




Chickens have eight air sacs; single cervical and clavicular sacs and paired cranial thoracic caudal thoracic and abdominal sacs

in birds, the cloaca is


a. an appendage suspended from the head


b. a blind sac at the distal end of the jejunum


c. a cleft int he hard palate


d. a common passage for fecal, urinary, and reproductive systems

in birds, the cloaca is (d) a common passage for fecal, urinary, and reproductive systems

In the avian species, the gizzard is also referred to as the


a. proventriculus


b. ventriculus


c. crop


d. colon

In the avian species, the gizzard is also referred to as the (b) ventriculus




the gizzard or ventriculus is the muscular stomach of birds

the femoral artery is cranial to what muscle?


a. sartorius


b. pectineus


c. rectus femoris


d. tensor fascia lata

The femoral artery is cranial to the (b) pectineus muscle




the boundaries of the femoral triangle are the sartorius muscle cranial, the pectineus muscle caudal, and the vastus medialis and iliopsoas deep laterally

The uvea consists of the iris, ciliary body, and


a. nervous tunic


b. fibrous tunic


c. anterior chamber


d. choroid

The uvea consists of the iris, ciliary body, and (D) choroid




the choroid is the middle layer of the eyeball that contains blood vessels and supplies blood for the entire eye

The oil glands of the skin are the


a. anal glands


b. mammary glands


c. sebaceous glands


d. sudoriferous glands

The oil glands of the skin are the (c) sebaceous glands

If a hair is pigmented, the pigment granules are present inw hat layer?


a. cortex


b. cuticle


c. medulla


d. periople

If a hair is pigmented, the pigment granules are present in (C) the medulla




granules of melanin are deposited in the cortex of pigmented hairs by melanocytes in the hair follicles

Which of the following is a sweat gland?


a. mammary


b. salivary


c. sebaceous


d. sudoriferous

a (D) sudoriferous gland is a sweat gland

Which of these statements about the epidermis is most accurate?


a. it contains blood vessels


b. its surface layer contains pigment cells


c. it is composed of stratified squamous epithelium


d. its surface layer is made up of living cells

The epidermis is (c) composed of stratified squamous epithelium

Which of these statements about the skin is least accurate?


a. it is involved in synthesis of vitamin D


b. it is the largest organ in the body


c. its underlayer (dermis) consists of epithelial and connective tissues


d. the epidermis is its more superficial layer

Accurate statements about the skin include: it is involved in the synthesis of vitamin D, it is the largest organ in the body, and the epidermis is its more superficial layer meaning the least accurate statement listed was (C) its underlayer (dermis) consists of epithelial and connective tissues




the dermis consists of connective tissue only

The suspensory apparatus of the udder includes the


a. symphyseal tendon


b. urethralis muscle


c. deep digital flexor tendon


d. proximal digital annular ligament

The suspensory apparatus of the udder includes the (b) urethralis muscle




in addition to providing a common origin for the gracilis and adductor muscles of each limb, the symphyseal tendon also gives rise to part of the suspensory apparatus

The portion of a hair beneath the skin surface is called the


a. bulb


b. follicle


c. root


d. shaft

The portion of a hair beneath the skin surface is called the (A) bulb

When a horse is standing on firm ground, the only portion of its hoof that normally contacts the ground is the


a. coronary band


b. sole


c. wall


d. white line

When a horse is standing on firm ground, the only portion of its hoof that normally contacts the ground is the (c) wall

The epidermis of the skin is composed of what kind of epithelium?


a. simple squamous, keratinized


b. simple squamous, nonkeratinized


c. stratified squamous, keratinized


d. stratified squamous, nonkeratinized

The epidermis of the skin is composed of (c) stratified squamous, keratinized

The number of teats on the mammary glands of different animals varies. List the correct number of teats for a mare.


a. 2


b. 4


c. 12


d. 14

A mare has (a) 2 teats

The number of teats on the mammary glands of different animals varies. List the correct number of teats for a cow


a. 2


b. 4


c. 12


d. 14

A cow has (b) 4 teats

The number of teats on the mammary glands of different animals varies. List the correct number of teats for a sow


a. 2


b. 4


c. 12


d. 14

A sow has (a) 2 teats

The number of teats on the mammary glands of different animals varies. List the correct number of teats for a rat


a. 2


b. 4


c. 12


d. 14

a rat has (c) 12 teats

In cows, the "milk vein" is the


a. external pudendal


b. femoral


c. lateral thoracic


d. subcutaneous abdominal

In cows, the "milk vein" is the (d) subcutaneous abdominal

the cranial nerves originate from the


a. cerebellum


b. spina cord


c. brainstem


d. cerebrum

the cranial nerves originate from the (c) brainstem

glaucoma is


a. decreased pressure in the posterior chamber of the eye


b. increased pressure in the posterior chamber of the eye


c. icnreased pressure in the anterior chamber of the eye


d. decreased pressure in the anterior chamber of the eye

glaucoma is (C) increased pressure in the anterior chamber of the eye

GnRH will stimulate the release of


a. FSH


b. thyroxine


c. cortisol


d. insulin

GnRH will stimulate the release of (a) FSH

the neurohypophysis is an anatomic section of the


a. pituitary gland


b. hypothalamus


c. adrenal gland


d. pancreas

the neurohypophysis is an anatomic section of the (a) pituitary gland

typically what percentage of an animal's body weight is blood?


a. 0.1%


b. 1%


c. 8%


d. 30%

typically (c) 8% of an animal's body weight is blood

a dog that weighs 10 kg would have approximately how much blood?


a. 50 ml


b. 800 ml


c. 1.5 L


d. 2 L

a dog that weighs 10 kg would have approximately (C) 1.5 L of blood



approximately 8% of an animal's body weight is blood and 1 ml of blood weighs approximately 1 g


lymph nodes that are found medial to the caudal part of the jaw are the


a. popliteal nodes


b. inguinal nodes


c. mandibular nodes


d. prescapular nodes

lymph nodes that are found medial to the caudal part of the jaw are the (c) mandibular nodes

lymph nodes found on the caudal aspect of the leg at the level of the patella are the


a. popliteal nodes


b. inguinal nodes


c. mandibular nodes


d. prescapular nodes

lymph nodes found on the caudal aspect of the leg at the level of the patella are the (a) popliteal nodes

sensory nerves are considered


a. efferent motor nerves


b. motor nerves


c. efferent nerves


d. afferent nerves

sensory nerves are considered (D) afferent nerves




afferent nerves conduct impulses from sensory receptors to the central nervous system. motor nerves are efferent nerves that send impulses to the skeletal muscles, organs, glands, and so forth from the central nervous system

when a stimulus is strong enough to cause complete depolarization, it has reached


a. threshold


b. repolarization


c. refractory period


d. action potential

when a stimulus is strong enough to cause complete depolarization, it has reached (a) threshold

cattle and swine display what type of estrous cycle?


a. polyestrous


b. seasonally polyestrous


c. diestrous


d. monoestrous

cattle and swine display (A) a polyestorus cycle




cattle and swine continuously cycle throughout the year

in what stage of the estrous cycle does the corpus luteum develop?


a. proestrus


b. estrus


c. metestrus


d. diestrus

during (C) metestrus the corpus luteum develops




the corpus luteum develops after ovulation

the hormone produced by developing ovarian follicle is


a. estrogen


b. progesterone


c. prolactin


d. oxytocin

the hormone produced by developing ovarian follicle is (a) estrogen




the corpus luteum produces progesterone. prolactin is produced by the anterior pituitary gland and oxytocin by the posterior pituitary gland

what hormone contracts the female reproductive tract to help move spermatozoa intot he ovidcuts?


a. estrogen


b. progesterone


c. prolactin


d. oxytocin

(d) oxytocin contracts the female reproductive tract to help move spermatozoa intot he ovidcuts

to achieve a normal pregnancy, the blastocyst attaches to what structure?


a. endometrium


b. placenta


c. oviduct


d. cervix

to achieve a normal pregnancy, the blastocyst attaches to (a) endometrium




endometrium is the lining of the uterus

which animal has a cotyledonary placenta?


a. cat


b. dog


c. horse


d. sheep

(D) sheep have cotyledonary placenta




must ruminatns have cotyledonary placental attachments

in cotyledonary placentation the mother's side of the attachment is called the


a. caruncle


b. cotyledon


c. placentome


d. polycyton

in cotyledonary placentation the mother's side of the attachment is called the (a) caruncle




the cotyledon is the fetal side of the placenta and the placentoma is the structure that results when the caruncle and cotyledon are joined

a pregnant mare has what kind of placentation?


a. zonary


b. cotyledonary


c. diffuse


d. discoid



a pregnant mare has (c) diffuse placentation

a pregnant bitch has what kind of placentation?


a. zonary


b. cotyledonary


c. diffuse


d. discoid

a pregnatn bitch has (a) zonary placentation

a pregnant rodent has what kind of placentation


a. zonary


b. cotyledonary


c. diffuse


d. discoid

a pregnant rodent has (d) discoid placentation



a pregnant queen has what kind of placentation?


a. zonary


b. cotyledonary


c. diffuse


d. discoid

a pregnant queen has (a) zonary placentation

how many mammary glands are typically found on a bitch?


a. 8-12


b. 12-14


c. 4-6


d. 10-16

(a) 8-12 mammary glands are typically found on a bitch




the number varies but typically there are 4 thoracic mammae, four abdominal mammae and two inguinal mammae

acetylecholine is released as a neurotransmitter by


a. effector organs


b. sensory bodies


c. postganglionic parasympathic nerve fibers


d. postganglionic sympathetic nerve fibers

acetylecholine is released as a neurotransmitter by (c) postganglionic parasympathetic nerve fibers




postganglionic sympathetic neurons release epinephrine or norepeinephrine

on an electrocardiogram the T wave is most closely associated with


a. atrial depolarization


b. atrial repolarization


c. ventricular depolarization


d. ventricular repolarziation

on an electrocardiogram the T wave is most closely associated with (d) ventricular repolarization

on an electrocardiogram, the P wave is most closely associated with


a. atrial depolarization


b. atrial repolarization


c. ventricular depolarization


d. ventricular repolarization

on an electrocardiogram, the P wave is most closely associated with (a) atrial depolarization

which of the following conditions is most life threatening?


a. atrial fibrillation


b. ventricular fibrillation


c. first-degree heart block


d. complete heart block

(b) ventricular fibrillation is most life threanting




in ventricular fibrillation there is effectively no blood being pumped by the heart

increasing a neuron's permeability to Na+ will cause


a. hyperexcitability


b. an increase in the intensity of the stimulus required to generate an action potential


c. the neuron to become more hyperpolarized


d. the membrane potential of the neuron to become more negative

increasing a neuron's permeability to Na+ will cause (a) hyperexcitability




lidocaine, a local anesthetic, is a Na+ channel blocker, that is it does the opposite of increasing permeability to Na+

which of the following dissections could be made without cutting through a bone to bone joint?


a. forelimb from the body


b. hind limb from the body


c. head from the neck


d. tial from the body

(a) a forelimb from the body dissection could be made without cutting through a bone to bone joint




there are only muscular connections between the scapula and torso

the initial process of converting glucose into fat is called


a. lipogenesis


b. gluconeogenesis


c. glycogenolysis


d. fatty acid synthesis

the initial process of converting glucose into fat is called (d) fatty acid synthesis




lipogenesis is a term used to describe storing of fatty acids that are already formed

which of the following is true about anaerobic metabolism?


a. fat can be used


b. glucose can be used


c. it takes place in the mitochondria


d. oxygen must be present

in regards to anaerobic metabolism, (b) glucose can be used




glucose is the primary nutrient used in anaerboic metabolism

the amount of energy an animal would acquire form burning off adipose tissue would be


a. 7700 kcal/kg


b. 4 kcal/kg


c. 4 kcal/g


d. 9 kcal/kg

the amount of energy an animal would acquire form burning off adipose tissue would be (a) 7700 kcal/kg




if adipose were composed entirely of fat the correct answer would be higher (approx 9000 kcal/kg); however adipose is also constructed of connective tissue (protein) and blood vessels (Water) all of which decrease the caloric density of adipose tissue

efferent nerves carry nerve impulses


a. to the body from the central nervous system


b. to the body from the spinal cord


c. formt he body to the central nervous system


d. form one part of a limb to another part of the samee limb

efferent nerves carry nerve impulses (c) from the body to the central nervous system

the name for the bile acid-lipid unit that carries fat within the gut is


a. LPL


b. Micelles


c. VLDL


d. chyomicrons

the name for the bile acid-lipid unit that carries fat within the gut is (B) micelles

what the lay press calls "good cholesterol" is actually a lipoprotein that is called


a. chylomicron


b. LPL


c. LDL


d. HDL

what the lay press calls "good cholesterol" is actually a lipoprotein that is called(d) HDL




the primary function of high-density liporotein HDL is to carry choolesterol from peripheral tissues to the liver

the p wave component of a QRS complex usually corresponds to


a. atrial contraction


b. ventricular contraction


c. atrial relaxation


d. electrical conduction in Purkinje fibers

the p wave component of a QRS complex usually corresponds to (a) atrial contraction




elicited by atrial depolarization

sympathetic stimulation of the heart increases strength of contractions by


a. frank-starling mechanism


b. increasing the firing rate of the SA node


c. depolarizing the bundle of His


d. increasing permeability of heart muscle to calcium

sympathetic stimulation of the heart increases strength of contractions by (d) increasing permeability of heart muscle to calcium




increasing the rate of contractions does not increase the strength of contractions

the hormone that lowers the level of glucose in the blood by aiding the passage of glucose into cells is


a. glucagon


b. calcitonin


c. growth hormone


d. insulin

the hormone that lowers the level of glucose in the blood by aiding the passage of glucose into cells is (d) insulin

the hormone that is regulated by the renin-angiotensin system is


a. aldosterone


b. antiduiretic hormone


c. thyroid homrone


d. prolactin

the hormone that is regulated by the renin-angiotensin system is (a0 aldosterone

what type of hormone is bovine somatotorpin (BST)?


a. estrogen


b. growth hormone


c. prolactin


d. insulin

bovine somatotropin (BST) is a (B) growth hormone




bovine somatotropin is the naturally occuring growth hormone of cattle

cerebrospinal fluid lies within the


a. epidural space


b. subdural space


c. subarachnoid space


d. epiarachnoid space

cerebrospinal fluid lies within the (c) subarachnoid space

which of the following is not a response of increased stimulation to the parasympathetic division of the autonomic nervous system?


a. constriction of the pupils


b. dilation of the bronchioles


c. decreased heart rate


d. increased digestive activity

constriction of the pupils, decreased heart rate, and increased digestive activity are all responses of the increased stimulation to the parasympathetic division of hte autonomic nervous system but (b0 dilatioin of the bronchioles is not

the anterior pituitary hormone that promotes follicular development on the ovary is


a. LH


b. glucagon


c. FSH


d. estrogen

the anterior pituitary hormone that promotes follicular development on the ovary is (c) FSH, follicle stimulating hormone

what structure is not part of the "foot" of a horse?


a.hoof and corium


b. distal end of the proximal phalanx


c. distal phalanx


d.navicular bone

(B) the proximal phalanx is not included as part of the foot of the horse




the hoof and corium, the distal phalanx and the navicular bone are all included as parts of the foot of the horse

the dermis is also called the

a. cutis


b. subcutis


c. corium


d. subcorium



the dermis is also called the (c) corium




the subcutis is also called the hypodermis

what layer of the skin contains sebaceous and sweat glands?


a. dermis


b. epidermis


c. subcorium


d. hypodermis

the (a) dermis contains sebaceous and sweat glands

the glands found on the lips of cats used for marking territory are called

a. apocrine sweat glands


b. circumoral glands


c. horn glands


d. anal sacs

the glands found on the lips of cats used for marking territory are called (b) circumoral glands


dog hair grows


a. in cycles


b. continously


c. from specialized glands


d. in layers

dog hair grows (a) in cycles

what structure is located most distal on a horse's leg?


a. ergot


b. elbow joint


c. chestnut


d. withers

the (a) ergot is the most distal structure on the horse's leg of the structures listed

which of the following types of hair make up the undercoat of mammals and are also called wool hairs?


a. primary


b. tactile


c. vibrissa


d. secondary

(D) secondary hairs make up the undercoat of mammals and are also called wool hairs

where is the sensitive laminae of an equine hoof located?


a. frog


b. wall


c. white line


d. bars

the sensitive laminae of an equine hoof is located on the (C) white line




the white line should not be penetrated with the nail during shoeing because the anil will enter the sensitive laminae layer

an animal's body temperature is not routinely affected by


a. drinking water


b. sex of the animal


c. exercise


d. time of day

an animal's body temperature is not routinely affected by (b) the sex of the animal




drinking water, exercise, and the time of day can all affect an animal's body temperature

evaporation of water from the body results in cooling. which of the following causes the most common types of evaporated heat loss in animals?


a. running, drinking


b. drinking, panting


c. panting, sweating


d. sweating, bathing

evaporation of water from the body results in cooling. (C) panting and sweating are the most common types of evaporated heat loss in animals

in equine, what term describes a degenerative condition of the frog associated with filth?

a. gravel


b. thrush


c. toe crack


d. corns


in equine (b) thrush describe a degenerative condition of the frog associated with filth

thrush is defined as a degnerative condition of the frog associated with standing in wet, filthy, and contaminated grounds



in equine, what term describes a drainage tract resulting from a crack in the white line?


a. corn


b. white line disease


c. gravel


d. seedy toe

in equine, (c) gravel describes a drainage tract resulting from a crack in the white line




gravel is a term used to describe a drainage tract up the sensitive laminae cause dby a crack in the hoof wall

how many bones are found in the normal equine carpus?


a. 1-2


b. 3-4


c. 6-7


d. 9-10

(c) 6-7 bones are found in the normal equine carpus




carpal bones 1 and 5 are present in a minority of horses

the function of the muscles making up the quadriceps femoris is


a. extension of the elbow


b. extension of the stifle


c. flexion of the hock


d. flexion of the stifle

the function of the muscles making up the quadriceps femoris is (b) extension of the stifle




the main function of the muscles of the quadriceps is to extend the stifle

toxins that interfere with the function of acetylecholinestererase would have what effect on muscle fibers


a. they would prevent contraciton completely, so the muscle would be paralyzed


b. they would cause the muscles to become very weak and flaccid


c. the muscle fiber would continue to contract causing tremors and cramping


d. they would cause rigor mortis

toxins that interfere with the function of acetylecholinesterase have the following effect on muscle fibers (C) the muscle fiber would continue to contract causing tremors and cramping




the acetylcholine within the synaptic cleft wound continue to stimulate the muscle

the space between the nerve end and the sacrolemma of the muscle is called the


a. neurolemma


b. synaptic cleft


c. nodes of ranvier


d. synaptic knob

the space between the nerve end and the sacrolemma of the muscle is called the (b) synaptic cleft

aqueous humor is secreted by the


a. ciliary body


b. sclera


c. choroid layer of the retina


d. iris

aqueous humor is secreted by the (a) ciliary body

a cat presents with a urolith (stone) blocking the urethra. where is the first place that the urine backs up into?


a. renal pelvis


b. bladder


c. kidney


d. ureter

a cat presents with a urolith (stone) blocking the urethra. the first place the urine backs up into is the (B) bladder

the most important function of ADH is to


a. decrease water reabsorption by the distal convoluted tubules


b. increase water reabsorption by the distal convoluted tubules


c. decrease water reabsorption by the glomerulus


d. increase water reabsorption by the glomerulus

the most important function of ADH is to (b) increase water reabsorption by the distal convoluted tubules




antidiuretic hormone causes the kidney to conserve water when the body gets dehydrated

the major factor determining glomerular filtration rate is


a. pulse rate


b. carbon dioxide saturation of blood


c. oxygen saturation of blood


d. blood pressure

the major factor determining glomerular filtration rate is (d) blood pressure

what is a normal function of estrogen?


a. inducing estrus


b. decreasing blood flow to the uterus


c. inducing parturition


d. constricting the cervix

a normal function of estrogen is (A) inducing estrus

what two organs have receptors to and thus are responsive to oxytocin?


a. ovary and uterus


b. ovary and vagina


c. uterus and mammary glands


d. colon and mammary glands

the (C) uterus and mammary glands have receptors to and are thus responsive ot oxytocin




oxytocin stimulates uterine contractions and milk let-down

the hormone that regulates sodium reabsorption in the nephron is


a. ADH


b. estrogen


c. aldosterone


d. calcitonin

the hormone that regulates sodium reabsorption in the nephron is (c) aldosterone




aldosterone is a mineralocorticoid hormone produced in the adrenal cortex

osteoclasts are cells involved in bone destruction. their activity is increased by


a. calcitonin


b. parathyroid hormone (PTH)


c. thyroxine (T4)


d. aldosterone

osteoclasts are cells involved in bone destruction. their activity is increased by (b) parathyroid hormone (PTH)

the fibrous layer around bone that is necessary for bone growth, repair, nutrition, and attachment of ligaments and tendons is the


a. endosteum


b. peritoneum


c. periosteum


d. mesothelium

the fibrous layer around bone that is necessary for bone growth, repair, nutrition, and attachment of ligaments and tendons is the (c) periosteum

what type of joint movement decreases the angle between bones?


a. abduction


b. adduction


c. extension


d. flexion

(d) flexion decreases the angle between bones

the hip joint is classified by which of the following terms?


a. no joint capsule, ball-and-socket joint, flexion and extensions


b. synovial joint, hinge joint, freely movable


c. synovial joint, ball-and-socket joint, universal movement


d. no joint capsule, pivot joint, slightly movable

the hip joint is classified by (c) synovail joint, ball-and-socket joint, universal movement



the elbow joint is classified by which of the following terms?


a. compound hinge joint, synovial joint, flexion and extension


b. synovial joint, ball-and-socket joint, universal movement


c. no joint capsule, pivot joint, rotational movement


d. simple hinge joint, contains no joint capsule, universal movement

the elbow joint is (a) a compound hinge joint that moves at right angles causing flexion and extension; it is also a synovial joint

the obturator foramen is found


a. at the base of the skull


b. in the mandible


c. in the maxillary bone


d. in the pelvis

the obturator foramen is found (d) in the pelvis




the obturator foramen helps reduce the weight of the pelvis

during episodes of chronic laminitis, what bone in the equine foot may rotate downward, pressing against the sole causing pain?


a. navicular


b. coffin


c. short pastern


d. cannon

during episodes of chronic laminitis, the (b) coffin bone in the equine foot may rotate downward pressing against the sole causing pain




the coffin bone (Distal phalanx) may rotate during chronic episodes of laminitis. this is also called a dropped sole

the anatomic name for the hip joint is the


a. temporomandibular joint


b. glenohumeral joint


c. femorotibial jiont


d. coxofemoral joint

the anatomic name for the hip joint is the (d) coxofemoral joint

muscle fibers are held together by connective tissue and are enclosed in a sheet of fibrous membrane called


a. tendon


b. aponeurosis


c. fascia


d. ligament

muscle fibers are held together by connective tissue and are enclosed in a sheet of fibrous membrane called (C) fascia




fascia is a sheet of fibrous membrane that separates layers of muscles

a muscle whose movement increase the angle between two bones is known as


a. abductor


b. adductor


c. extensor


d. flexor

a muscle whose movement increase the angle between two bones is known as (c) extensor




the action of an extensor increases the angle between bones

the extensive aponeurosis that covers the lower back to joint the superficial muscles in that area is called the


a. fascia lata


b. cutaneous maximus


c. lumbodorsal fascia


d. linea alba

the extensive aponeurosis that covers the lower back to joint the superficial muscles in that area is called the (c) lumbodorsal fascia




the lumbodorsal fascia is the extensive aponeurosis that covers the lwoer back

the muscles that is located on the shoulder, originates on the clavicle, inserts on the ulna, and whose action is the flex the forearm is the


a. clavobrachialis


b. pectoantebrachialis


c. sternomastoid


d. latissimus dorsi

the muscles that is located on the shoulder, originates on the clavicle, inserts on the ulna, and whose action is the flex the forearm is the (a) clavobrachialis

the gluteal muscles include the gluteus medius, gluteus maximus, and the


a. biceps femoris


b. tensor fascia lata


c. sartorius


d. caudofemoralis

the gluteal muscles include the gluteus medius, gluteus maximus, and the (d) caudofemoralis





which of the following sequences lists the abdominal muscle layers in order, starting with the most superficial?


a. external oblique, internal oblique, transverse abdominis


b. external oblique, internal oblique, rectus abdominis


c. internal oblique, external oblique, transverse abdominis


d. rectus abdominis, internal oblique, external oblique

the abdominal muscle layers in order from most superficial to deepest are (a) external oblique, internal oblique, transverse abdominis

the muscle that is found in the midventral abdominal area on either side of the linea alba, extending from the pubis to the upper ribs and sternum is the


a. transverse abdominis


b. latissimus dorsi


c. rectus abdominis


d. spinotrapezuis

the muscle that is found in the midventral abdominal area on either side of the linea alba, extending from the pubis to the upper ribs and sternum is the (c) rectus abdominis

which is a powerful muscle of the head that contributes to the act of chewing by closing the mouth?


a. digastricus


b. massater


c. mylohyodeus


d. platysma

the (B) massater is a pwoerful muscle of the head that contributes to the act of chewing by closing the mouth

what muscle condition would result from a lack of use, such as during immobilization of a fractured bone or as a result of nerve damage to a body part?


a. myopathy


b. atrophy


c. hypertrophy


d. myalgia

(B0 atropy is a muscle condition that would result from a lack of use, such as during immobilization of a fractured bone or as a result of nerve damage to a body part




atrophy is describe as a decrease in muscle size resulting from lack of use

what muscle is observed from the medial surface of the thigh?


a. gracilis


b. gastrocnemius


c. biceps femoris


d. caudofemoralis

the (A) gracilis is a muscle observed from the media surface of the thigh




the gracilis is a braod superficial muscle extending down from the medial surface of the thigh to insert on the tibia

the chief action of the quadriceps femoris group is to


a. flex the foot


b. extend the stifle


c. extend the elbow


d. abduct the hind leg

the chief action of the quadriceps femoris group is to (b) extend the stifle




the quadriceps muscles include the rectus femoris, vastus lateralis, vastus medialis, and the vastus intermedius that act to extend the stifle and flex the hip

what is the chief action of the three heads of the triceps brachii?


a. extension of the forearm


b. flexor of the lower hind limb


c. adduction of the shoulder


d. flexion of the neck

the chief action of the three heads of the triceps brachii is (a) extension of the forearm




the triceps brachii muscles, which include the long, lateral, and medial heads, work to extend the elbow or forearm

which of the following is not a function of the muscular system?


a. protection


b. generation of body heat


c. transport of ingest through intestinal tract


d. movement of the skeleton

generation of body heat, transport of ingesta through the intestinal tract, and movement of the skeleton are all functions of the muscular system but (a) protection is not


the muscular system does not act to protect the body. this is the function of the integumentary system

which one of the following works in opposition to the prime mover, relaxing as the prime mover is contracting?


a. fixator


b. antagonist


c. synergist


d. flexor

(b) the antagonist works in opposition to the prime mover, relaxing as the prime mover is contracting

the huge, comma-shaped section of the large intestine of the horse that occupies much of the right side of the abdomen is the


a. cecum


b. colon


c. rectum


d. ileum

the huge, comma-shaped section of the large intestine of the horse that occupies much of the right side of the abdomen is the (a) cecum

which of the following lists the sections of the small intestine in order from anterior to posterior?


a. jejunum, ileum, duodenum


c. duodenum, colon, jejunum


c. ileum, duodenum, cecum


d. duodenum, jejunum, ileum

the sections of the small intestine in order from anterior to posterior is (D) duodenum, jejunum, ileum

in what portion fothe ruminant digestive system does most of hte microbial fermentation take place?


a. abomasum


b. duodenum


c. rumen


d. omasum

most microbial fermentation takes place in the (c) rumen of the ruminant digestive system




the rumen is called the fermentation vat and is responsible for the majority of the fermentaiton

in the ruminant animal, the fermentation process produces gas in the rumen, which if not eliminated can cause a condition called bloat. what instrument can be used to relieve this condition


a. emasculator


b. troacr


c. burdizzo


d. rochester-carmalt forceps

in the ruminant animal, the fermentation process produces gas in the rumen, which if not eliminated can cause a condition called bloat. the instrument that can be used to relieve this condition is the (B) trocar




the troacar is a sharp instrument used to relieve bloat in ruminants by puncturing the abdominal wall into the rumen to release gas

rumination is a cycle of activity composed of four phases. which of the following is not included in this process?


a. eructation


b. remastication


c. redeglutition


d. reurination

rumination is a cycle of activity composed of four phases. (d) reurination is not part of this process




rumination is a four-stage process consisting of eructation, reinsalivation, remastication, and redeglutition

where does fermentation occur in nonruminant herbivores such as the horse?


a. jejunum and ileum


b. cecum and colon


c. ileum and cecum


d. rumen and cecum

in nonruminant herbivores such as horses fermentation occurs in the (B) cecum and colon



what organ is located immediately behind the diaphragm in the carnivore?


a. liver


b. spleen


c. pancreas


d. kidney

the (a) liver is located immediately behind the diaphragm in the carnivore

hardware disease is usually associated with ingestion of nails, wire, or other sharp objects. the portion of the digestive tract that collects these objects is the


a. reticulum


b. omasum


c. rumen


d. abomasum

hardware disease is usually associated with ingestion of nails, wire, or other sharp objects. the portion of the digestive tract that collects these objects is the (a) reticulum




the reticulum is the most proximal portion of the ruminant stomach and collects hardware swallowed during grazing

the connecting peritoneum that suspends the intestinal tract fromt he abdominal wall and contains vessels, nerves, and lymphatics that supply their respective organs is the


a. mesentery


b. omentum


c. pleura


d. omasum

the connecting peritoneum that suspends the intestinal tract fromt he abdominal wall and contains vessels, nerves, and lymphatics that supply their respective organs is the (a) mesentery





what structure divides the rostral part of the pharynx into the oropharynx and nasopharynx?


a. tongue


b. hard palate


c. epiglottis


d. soft palate

the (D) soft palate divides the rostral part of the pharynx into the oropharynx and nasopharynx

the cell membrane that surrounds tissue cells is made up of


a. two lipid layers that surround a protein layer


b. two protein layers that surround a lipid layer


c. an outer protein layer and an inner lipid layer


d. an outer lipid layer and an inner protein layer

the cell membrane that surrounds tissue cells is made up of (b) two protein layers that surround a lipid layer




three layers make up a cell membra;e a lipid layer is sandwiched between the two protein layers

what type of epithelium lines the upper portion of the respiratory system and plays an important role in the body's defense mechanism?


a. pseudostratified ciliated columnar epithelium


b. stratified columnar epithelium


c. simple ciliated cuboidal epithelium


d. stratified squamous epithelium

the (A) pseudostratified ciliated columnar epithelium lines the upper portion of the respiratroy systema nd plays an important role in the body's defense mechanism




the wave like motion of cilia helps move mucus and debris out of the respiratory system

the type of epithelial cell capable of significant variation in shape, depending on changes in the size of the organ that it lines is called a


a. squamous epithelium


b. columnar epithelium


c. transition epithelium


d. cubodial epithelium

the type of epithelial cell capable of significant variation in shape, depending on changes in the size of the organ that it lines is called a (c) transition epithelium




transitional epithelium is cubodial when tissue is not in a contracted state but it may become flattened when an organ is distended

the mineral most important for normal contraction of striated muscle fibers is


a. phosphorus


b. iron


c. calcium


d. magnesium

the mineral most important for normal contraction of striated muscle fibers is (c) calcium




calcium is invoeld in the breakage and recoupling of a cross linkages between myofilaments in a striated muscle fiber

ccardiac muscle fibers can be identified by


a. the presence of cross striations and peripheral nuclei


b. the absence of cross striations and the presence of central nuclei


c. the absence of cross striations and the presence of peripheral nuceli


d. the presence of cross striations and central nuclei

ccardiac muscle fibers can be identified by (D) the presence of cross striations and central nuclei




the presence of cross striations and peripheral nuclei describes skeletal muscles. the absence of cross striations and the presence of central nuclei describes smooth muscle

the junctions between adjacent cardiac muscle fibers are called


a. terminal bars


b. intercalated disks


c. motor end plates


d. synapses

the junctions between adjacent cardiac muscle fibers are called (b) intercalated disks




terminal bars are the attachments between columnar epithelial cells. motor end plates are the terminal area of the axon of a motor nerve fiber at the neuromuscular junction. synapses are the site of impulse transmission between neurons

regeneration of cardiac muscle fibers following injury


a. is possible when the nucleus and part of the cystoplasm are preserved


b. occurs through mitotic division of fibers


c. does not occur


d. occurs from perivascular connective tissue cells

regeneration of cardiac muscle fibers following injury (c) does not occur




skeletal muscle fibers may regenerate when the nucleus and part of the cystoplasm are preserved. mitotic division of smooth muscle fibers is possible through mitotic division of fibers. a possible means of smooth muscle regeneration occurs from perivascular connective tissue cells

peritoneum, pleura, and pericardium consist of a flattened arrangement of


a. adipose tissue covered by a layer of mesothelium


b. hyaline cartilage covered by a layer of endothelium


c. loose connective tissue covered by a layer of endothelium


d. loose connective tissue covered by a layer of mesothelium

peritoneum, pleura, and pericardium consist of a flattened arrangement of (d) loose connective tissue covered by a layer of mesothelium

the circulatory system is lined by what kind of epithelium?


a. simpel columnar


b. simple squamous


c. stratified squamous


d. transitional

the circulatory system is lined by (b) simple squamous epithelium




simpel squamous epithelium forms the very smooth endothelium that lines the entire circulatory system

which vessels contain valves?


a. arterioles


b. capillaries


c. lymph capillaries


d. medium-sized veins

(d) medium-sized veins contain valves

the valve between the right atrium and right ventricle of the heart is the


a. aortic


b. mitral


c. pulmonary


d. tricuspid

the valve between the right atrium and right ventricle of the heart is the (d) tricuspid valve (aka the right atroventricular valve)

the valve at the outflow tract of the right ventricle is the


a. aortic


b. mitral


c. pulmonary


d. tricuspid

the valve at the outflow tract of the right ventricle is the (c) pulmonary valve

the left atrioventricular valve is the


a. aortic


b. mitral


c. pulmonary


d. tricuspid

the left atrioventricular valve is the (b) mitral valve t

the left ventricular outflow valve is the


a. aortic


b. mitral


c. pulmonary


d. tricuspid

the left ventricular outflow valve is the (a) aortic valve

the first heart sound is produced by


a. closure of the left and right atrioventricular valves


b. closure of the pulmoanry and aortic valves


c. contraction of the left and right atria


d. contraction of the left and right ventricles

the first heart sound is produced by (a) closure of hte left and right atrioventricular valves

the blood vessel that shunts blood fromt he pulmonary artery to the aorta in the fetus is the


a. ductus arteriosus


b. foramen ovale


c. umbilicus arteriosus


d. umbilicus venosus

the blood vessel that shunts blood fromt he pulmonary artery to the aorta in the fetus is the (a) ductus arteriosus

the main component of the tunic media of muscular arteries is


a. cardiac muscle fibers


b. elastic fibers


c. skeletal muscle fibers


d. smooth muscle fibers

the main component of the tunic media of muscular arteries is (d) smooth muscle fibers

the pulmonary valve prevents blood from flowing back into the


a. left atrium


b. right atrium


c. left ventricle


d. right ventricle

the pulmonary valve prevents blood from flowing back into the (d) right ventricle




the pulmonary valve is the right ventricular outflow valve

the mitral valve prevents blood from flowing back into the


a. left atrium


b. right atrium


c. left ventricle


d. right ventricle

the mitral valve prevents blood from flowing back into the (a) left atrium




the mitral valve is the left atrioventricular valve

the tricuspid valve prevents blood from flowing back into the


a. left atrium


b. right atrium


c. left ventricle


d. right ventricle

the tricuspid valve prevents blood from flowing back into the (b) right atrium




the tricuspid valve is the right atrioventricular valve

the ductus arteriosus in a fetus joins the


a. aorta and pulmonary artery


b. aorta and pulmonary vein


c. vena cava and pulmoanry artery


d. vena cava and pulmonary vein

the ductus arteriosus in a fetus joins the (a) aorta and pulmonary artery




the ductus arteriosus shutns blood from the pulmoanry artery to the aorta of a fetus

the valve that prevents blood from flowing back into the left ventricle at the end of ventricular systole is the


a. aortic


b. mitral


c. pulmonary


d. tricuspid

the valve that prevents blood from flowing back into the left ventricle at the end of ventricular systole is the (a) aortic valve




the aortic valve is the left ventricular outflow valve

the purkinje fibers in the heart are located in the


a. interventricular septum


b. left and right ventricular walls


c. right atrial wall


d. interatrial septum

the purkinje fibers in the heart are located in the (b) left and right ventricular walls




the purkinje fibers conduct impulses from the bundle of His to the walls of the ventricles

which structure of the fetal heart largely allows blood to bypass the pulmonary circulation?


a. foramen magnum


b. foramen ovale


c. nutrient foramen


d. obturator foramen

the purkinje fibers in the heart are located in the (b) foramen ovale




the foramen magnum, nutrient foramen, and obturator foramen are all bony foramina

the large lympoid organ that sotres blood but is not essential to life is the


a. kidney


b liver


c. pancreas


d. spleen

the large lympoid organ that sotres blood but is not essential to life is the (d) spleen

which of the following is not a feature of the right isde of the heart?


a. atrium


b. chordae tendineae


c. pulmonary valve


d. mitral valve

(d) the mitral valve is not a feature of the right side of the heart