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149 Cards in this Set

  • Front
  • Back
The rectus abdominal muscle is an example of a:
a. convergent
b. parallel
c. fusiform muscle
d. pennate muscle
b) parallel muscle
Regeneration of nerve fibers will take place only if the cell body is intact & the fibers have:
a. nodes of Ranvier
b. neurilemma
c. a myelin sheath
d. neurofibrils
b) neurilemma
Muscles that contract at the same time as the prime movers are called:
a. synergists
b. fixators
c. contractors
d. antagonists
a) synergists
The covering of individual muscle fibers is the:
a. epimysium
b. endomysium
c. periosteum
d. perimysium
b) endomysium
After it is released from the sarcoplasmic reticulum, the calcium combines with which protein?
a. Troponin
b. Actin
c. Myosin
d. Tropomyosin
a) Troponin
The autonomic nervous system consists of the:
a. peripheral & afferent n.s.
b. sympathetic & parasymphetic n.s.
c. symphatic & efferent n.s.
d.parasymphatic & somatic n.s
b) sympathetic & parasympathetic nervous system
The plasma membrane of a muscle fiber is called the:
a. sarcolemma
b. myofibril
c. sarcoplasm
d. sarcomere
c) sarcoplasm
Muscles may be named according to:
a. function
b. direction of fibers
c. points of attachment
d. all of the above
d) all of the above
The white matter of the Nervous System is made up of:
a. myelinated fibers
b. nuclei
c. unmyelinated fibers
d. ganglia
a) myelinated fibers
Dendrites conduct impulses:
a. toward cell bodies
b. away from cell bodies
c. within cell bodies
d. none of the above
a) toward cell bodies
A synapse consits of:
a. a synaptic knob
b. a synaptic cleft
c. the plasma membrane of a postsynaptic neuron
d. all of the above
d) all of the above
The neurotransmitter(s) secreted at the motor end plates of sleletal muscles is/are:
a. dopamine
b. norepinephrine
c. acetylcholine
d. could be any of the above
c) acetylcholine
Cross-bridges are also called:
a. myosin heads
b. motor end plates
c. synapes
d. motor neuron
a) myosin heads
Fascicles are held together by a connective tissue layer called the:
a. endoneurium
b. perineurium
c. macroneurium
d. epineurium
b) peineurium
Skeletal muscles constitute approx. ____ of our body weight:
a. 10%
b. 25%
c. 50%
d. 75%
c) 50%
The first event to occur in muscle relaxation is:
a. tropomyosin returns to its original position
b. myosin cross-bridges are prevented from binding to actin
c. the sarcoplasmic reticulum begins activly pumping Ca+ back into sacs
d. acetylcholine is released
c. the carcoplasmic reticulum begins activly pumping Calcium back into sacs
The cheif function of the T-tubules is to:
a. provide nutrients to the muscle fiber
b. allow the fiber to contract
c. allow for electrical signals to move deeper into the cell
d. allow for the generation of new muscle fibers
c. allow for electrical signals to move deeper into the cell
Which of the following is not one of the main chemical classes of neurotransmitters?
a. triglycerides
b. amines
c. amino acids
d. neuropeptides
a. triglycerides
Groups of skeletal muscle fibers are bound together by a connective tissue envelope called the:
a. endomysium
b. perimysium
c. epimysium
d. aponeurosis
b. perimysium
A lack of this/these neurotransmitter(s) in the basal ganglia is/are associated with Parkinsons Disease
a. norepinephrine
b. endorphins
c. dopamine
d. enkephalins
c. dopamine
True or False

Most muscles span a joint
True
True or False

A motor neuron plus the muscle fibers to which it attaches is called a motor unit
True
True or False

Muscle cells produce heat by the process of catabolism
True
True or False

Spinal nerves are considered part of the peripheral nervous system
True
True or False

The magnitude of the action potential peaks when the sodium channels close
True
True or False

Antagonist muscles oppose the movement of the agonist muscle
True
True or False

A triad consists of a T-tubule sandwiched between sacs of the sarcoplasmic reticulum
True
True or False

Groups of muscle cells held together by the perimysium are called fascia
False
True or False

Part of the function of the astrocyte is to help feed the neurons
True
True or False

Fascia is another term for epimysium
False
True or False

The microglia engulf & destroy microorganisms and cellular debris
True
True or False

Oligodendrocytes form myelin sheaths around nerve fibers in the CNS
True
True or False

Actin, Troponin, & Tropomyosin are present on thick myofilament
False
True or False

The study of muscle activity is called myography
True
True or False

The difference in electrical charge between the inside & outside of a membrane is called the membrane potential
True
True or False

Agonists & prime mover are interchangeable terms
True
True or False

T-tubules are perpendicular to muscle fibers
True
True or False

Muscle can only have one origin attachment & one insertion attachment
False
True or False

For continued, efficient nutrient catabolism by muscle fibers, both glucose & oxygen are required
True
True or False

There is a time when a neuron will not send a nerve impulse no matter how strong the stimulus is
True
True or False

Unipolar neurons have no axons
False
True or False

The nervous system consists of the brain, spinal cord, & nerves
True
True or False

The afferent nervous system consists of all outgoing motor pathways
False
True or False

Most nerves in the human nervous system are mixed
True
True or False

A neurotransmitter can be excitatory or inhibitory, but not both
False
True or False

The muscles of facial expression are unique in that at least one of their points of attachment is to the deep layers of skin over the face or neck
True
True or False

A neuromuscular junction is a type of connection called a synapse
True
True or False

T-tubules are found in all types of muscle tissue
False
True or False

When a muscle contract, the bone moved is the bone of insertion
True
True or False

Skeletal muscle has a great ability to stretch
True
Which of the following is not true of simple cubodial epithelium?
a. it is one layer thick
b. it is composed of cubodial shaped cells
c. it is found in ducts or tubules of the kidney
d. all of the above are true of simple cubodial epithelium
d. all of the above are true of simple cubodial epithelium
The type of tissue that contains cells called neurons is:
a. muscle
b. epithelial
c. connective
d. nervous
e. none of the above
d. nervous
A vetebral bone is an exaple of a(n):
a. long bone
b. short bone
c. flat bone
d. irregular bone
d. irregular bone
Which of the following is not one of the primary fuctions performed by the bones?
a. mineral storage
b. protection
c. hormonal production
d. hematopoiesis
c. hormonal production
Which of the following bones is not part of the face?
a. frontal
b. zygomatic
c. lacrimal
d. maxilla
a. frontal
A fracture in the shaft of a bone is a break in the:
a. epiphysis
b. periosteum
c. diaphysis
d. articular cartilage
c. diaphysis
A fontanel can best be described as a(n):
a. bone in the skull
b. unossified area in an infant's skull
c. articulation between two skull bones
d. small opening
b. unossified area in the infant's skull
The cell layers of skin from the most superficial to the deepest are in this order, the stratum,:
a. corneum, lucidum, granulosum, spinosum, and basale
b. basale, spinosum, granulosum, lucidum, corneum
c. basale, granulosum, lucidum, spinosum, & cornemum
d. corneum, granulosum, lucium, spinosum, & basale
a. corneum, lucidum, granulosum, spinosum, & basale
Going from superior to inferior, the sequence of the vetebral column is:
a. sacral, coccyx, thoracic, lumbar, & cervical
b. coccyx, sacral, lumbar, thoracic, & cervical
c. cervical, lumbar, thoracic, sacral, & coccyx
d. cervical, thoracic, lumbar, sacral, & coccyx
d. cervical, thoracic, lumbar, sacral, & coccyx
Endosteum can be found:
a. lining the medullary cavity
b. covering bones
c. at articular surfaces
d. lining in the epihysis
a. lining the medullary cavity
The term sinus, as it relates to bone markings, may be defined as a:
a. raised area or projection
b. cavity within a bone
c. tubelike opening or channel
d. groove or elongated depression
b. cavity within a bone
The mature cells of bone are called:
a. fibroblasts
b. osteoclasts
c. osteocytes
d. osteoblasts
c. osteocytes
The skeletal framework of the neck consists of:
a. lumbar vertebrae
b. thoracic vertebrae
c. sacral vertebrae
d. cervical vertebrae
d. cervical verebrae
These cells of skin are filled with a tough, fibrous protein & account for most of the epidermal cells of the skin:
a. dermatocytes
b. langerhans cells
c. keratinocytes
d. melanocytes
c. keratinocytes
Which of the following is not a function of the skin?
a. defense against disease organisms
b. synthesis of vitamin E
c. regulation of body temperture
d. excretion of water & slats
b. synthesis of vitamin E
Cancellous bone is another term for a(n):
a. irregular bone
b. spongy bone
c. short bone
d. compact bone
b. spongy bone
Length-wise running central canals are connect to eachother by transverse running:
a. Haversian canals
b. Volkmann canals
c. canaliculi
d. transverse lucunae
b. Volkmann canals
The humerous is an example of:
a. long bone
b. short bone
c. flat bone
d. irregular bone
a. long bone
The axial skeleton consists of:
a. 60 bones
b. 68 bones
c. 74 bones
d. 80 bones
d. 80 bones
Which of the following is not a characteristic of the diaphysis?
a. provides a bulbous shape for the attachment of the muscle
b. hollow
c. composed of compact bone
d. all of the above
a. provides a bulbous shape for the attachement of the muscle
The term used to describe the skin & the appendages is the:
a. epidermis
b. dermis
c. integumentary system
d. integument
c. integumentary system
One of the characteristics of which type of epithelial tissue is that of being able to readily diffuse material through it, such as occurs in alveoli?
a. stratified columnar
b. simple columnar
c. stratified squamous
d. simple squamous
d. simple squamous
The first step to heal a fracture is:
a. the formation of specialized callus
b. the formation of a fracture hematoma
c. proper alignment of the fracture
d. the formation of a collar of normal bone covering the broken ends
b. the formation of a fracture hematoma
Blood is a member of which basic tissue type:
a. epithelial
b. connective
c. muscel
d. nervous
b. connective
The area referred to as true skin is the:
a. stratum corneum
b. subcutaneous layer
c. dermis
d. hypodermis
c. dermis
The type of gland that produces the waxy secretion in the external ear canal is:
a. eccrine
b. apocrine
c. sebaceous
d. ceruminous
d. ceruminous
True or False

Bone-destroying cells are called osteoblasts
False
True or False

The terms Haversian system & osteon are interchangeable
True
True or False

The basic ingredient in the skin that determines skin color is melanin
True
True or False

There are 5 pairs of flase ribs
True
True or False

Haversian systems are only found in compact bone
True
True or False

The endosteum is a connective tissue membrane that lies in the medullary cavity
False
True or False

The shoulder girdle consists only of the scapula & clavicle
True
True or False

Myeloid tissue is another name for bone marrow
True
True or False

The stratum lucidum is superficial to the stratum basale
True
True or False

Surgical incisions that are made perpindicular to clevage lines tend to heal with less of a scar
False
True or False

Apocrine & eccrine glands are the 2 types of sebacous glands
False
True or False

Epithelial tissue connects to connective tissue by means of a basement membrane
True
True or False

The periosteum is a dense, white, fibrous membrane that covers bone except at joint surfaces
True
True or False

Loose connective tissue is also called areolar tissue
True
True or False

A primary function of the dermal-epidermal junction is to "glue" together the dermis & the epidermis
True
True or False

Adipose tissue is a type of connective tissue
True
True or False

Fingernails are composed of heavily keratinized epidermal cells
True
True or False

The cells at the surface of the skin are dead
True
True or False

Skeletal muscle tissue is striated & voluntary
True
True or False

The two bones of the lower arm are the ulna & radius, & the two bones of the lower leg are the tibia & the fibula
True
True or False

Salivary glands are an example of ductless exocrine glands
False
True or False

The blunt, cartilaginous lower tip of the sternum is called the xiphoid process
True
True or False

Both cartilage & bone contain living cells & are vascular tissues
False
True or False

The movement of digested nutrients through the wall of the digestive tube into the body fluids and to cells for use is called absorption
True
True or False

The Golgi apparatus, endoplasmic reticulum, & mitochondria are examples of organelles
True
True or False

The frontal plane divides the body into right and left sides
False
True or False

The dorsal cavity consists of the cranial & spinal cavities
True
True or False

The head, neck, arms, & legs make up the axial skeleton
False
True or False

Physiology deals with structure, whereas anatomy deals with function
False
True or False

Electrovalent & ionic bonds are the same
True
True or False

The chemical reaction of an acid & a base always results in water & salt
True
True or False

Electrolytes include acids, bases, & salts
True
True or False

Glycogen & starch are both examples of polysaccharides
True
True or False

Metabolism includes the processes of both anabolism & catabolism
True
True or False

The pH scale indicates the degree of acidity or alkalinity of a solution
True
True or False

The outer portion of the cell membrane is hydrophobic, or water-loving
False
True or False

The functions of the nucleus are actually regulated by RNA
False
True or False

The cell's internal supporting framework is called the cytoskeleton
True
True or False

The plasma membrane can be described as a double layer of phospholipid molecules
True
True or False

Rough endoplasmic reticulum looks rough because there are mitochondria attached to it
False
True or False

The Golgi apparatus helps to prepare material for export from the cell
True
True or False

One of the main functions of the mitochondria is to supply the cell with ATP
True
True or False

For osmosis to occur, a selectivly permeable membrane must be present
True
True or False

Active transport processes that use protein carrier molecules, or pumps, do not use cellular energy but rely on concentration gradients
False
True or False

Glycolysis does not require oxygen, and is called anaerobic
True
True or False

In normal mitosis, two daughter cells are identical genetically to the parent cell
True
True or False

The three process that comprise cellular respiration are glycolysis, the citric acid cycle, & the neutron transport system
False
True or False

Both the citric acid cycle and the electron transport system occur in the mitochondria
True
True or False

One explination of isotonic solutions is that they have the same potential osmotic pressure
True
True or False

An endomorph usually has a muscular physique
False
Withdrawing from a painful stimulus is an example of:
a. excretion
b. growth
c. responsiveness
d. secretion
c. responsiveness
The reporductive system includes all of the follwing except:
a. testes
b. ovaries
c. ureter
d. penis
c. ureter
The mediastinium contains all of the following except the:
a. trachea
b. venae cavae
c. right lung
d. esophagus
c. right lung
The number of abdominal regions is:
a. three
b. five
c. seven
d. nine
d. nine
Two major cavities of the human body are:
a. ventral/dorsal
b. inferior/superior
c. visceral/parietal
d. axial/appendicular
a. ventral/dorsal
The plane that divides the individual into upper & lower parts is the:
a. sagittal plane
b. frontal plane
c. transverse plane
d. superficial plane
c. transverse plane
Which of the following bonds are the weakest?
a. ionic bonds
b. hydrogen bonds
c. electrovalent bonds
d. covalent bonds
b. hydrogen bonds
The element that is present in all proteins but not in carbohydrates is:
a. carbon
b. hydrogen
c. oxygen
d. nitrogen
d. nitrogen
The type of lipoprotein associated with cholesterol and the production of atherosclerotic changes in blood vessels is:
a. HDL
b. LDL
c. VLDL
b. LDL
Proteins are composed of ___ commonly occuring amino acids:
a. 10
b. 18
c. 20
d. 22
c. 20
The elements of carbon, hydrogen, oxygen, & nitrogen make up which percentage of the human body?
a. 50%
b. 69%
c. 78%
d. 96%
d. 96%
The element oxygen has an atomic number of 8, which means it contains:
a. 4 protons & 4 neutrons
b. 8 protons
c. 8 neutrons
d. 4 protons & 4 electrons
b. 8 protons
Main cell structures include all of the following except:
a. organelles
b. plasma membrane
c. blood plasma
d. cytoplasm
c. blood plasma
The major energy production site of the cell is the:
a. Golgi apparatus
b. mitochondrion
c. endoplasmic reticulum
d. ribosome
b. mitochondrion
A specialized cell structure that propels the sperm is the:
a. flagellum
b. cilium
c. microvillus
d. microtubule
a. flagellum
DNA is a major constituent of which organelle?
a. lysosome
b. ribosome
c. chromosome
d. nucleus
d. nucleus
The presence of this substance in the cell membrane keeps it from breaking too easily:
a. cholesterol
b. protein
c. phospholipid
d. glycoproteins
a. cholesterol
Diffusion requires:
a. a semipermeable membrane
b. a concentration gradient
c. ions
d. none of the above
b. a concentration gradient
phagocytosis is an example of:
a. exocytosis
b. endocytosis
c. passive transport
d. facilitated diffusion
b. endocytosis
The correct order of the phases of mitosis is:
a. anaphase, telophase, metaphase, prophase
b. prophase, metaphase, anaphase, telophase
c. prophase, anaphase, metaphase, telophase
d. anaphase, metaphase, prophase, telophase
e. none of the above
b. prophase, metaphase, anaphase, telophase
Transcription can be best described as
a. degradiation of mRNA
b. reading of mRNA codons by tRNA
c. replication of DNA
d. synthesis of mRNA
d. synthesis of mRNA
Twenty-three chromosomes per cell in humans is referred to as:
a. haploid
b. diploid
c. myoid
d. dioid
a. haploid
The membranous organelle in the cytoplasm that is able to replicate itself is the:
a. Golgi apparatus
b. mitochondrion
c. lysosome
d. ribosome
b. mitochondrion