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136 Cards in this Set
- Front
- Back
pulmonary surfactant
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secretion prevents pulmonary alveoli
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atelectesis
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collapse or congestion of the lung
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rumen
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Fermintation occurs here in a dairy cow
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cellulase
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enzyme that microbes secrete that humans do not
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meningitis
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fever, stiff neck, headache
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thyroid
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endocrine gland located near larynz that regulates body metabolism
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aldosterone
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"salt retaining" hormone
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basophil
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cell released in response to allergiesand parasites
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oligodendrocyte
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neuroglial cell that forms myelin in the brain
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plasma cell
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cell that secretes antibodies
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vestibulocochlear nerve
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head tilt, systagmus
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trigeminial nerve
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loss of sensation to the face
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median nerve
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carpal tunnel syndrome
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corpus callosum
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connects right and left cerebral hemispheres
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hippocampus
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part of the limbic system and responsible for the formation of feelings
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temporal lobe
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lobe of cerebrum responsible for hearing
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thalamus
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sensory gateway to the cortex
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cerebellum
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fine tunes voluntary muscle contraction
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occipital lobe
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visual lobe of the brain
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parietal lobe
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primary motor area of the brain
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spinothalamic
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ascending tract responsible for temperature, pain and light touch
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corticospinal
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descending tract that allows you to write answers on this test
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cyclooxygenase
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NSAIDs exert their anti-inflammatory effect by blocking this enzyme
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cone cells
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Photoreceptors in the retina that are sensitive to color
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which is not a pregastric or foregut fermenter
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tapir
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where does fermentation occur in the hindgut fermenters?
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cecum and large intestine
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what are the 2 limiting amino acids in animals?
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methionine and lysine
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what gas has the highest partial pressure in both inspired and alveolar air?
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nitrogen @ 593 mmHg/568 mmHg
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Why was Viagra beneficial to people climbing Mt. Everest?
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Viagra relaxes blood vessels
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all hormones are synthesized from either cholesterol or amino acids
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True
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Most clotting factors are synthesized in the kidney
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False
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In alveolar capillaries, oncotic pressure is greater than the mean blood pressure
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False
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A resting neuron has a higher concentration of Na+ in its cytoplasm than in the extracellular fluid surrounding it.
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False
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on the electrocardiogram, repolarization of the ventricle is represented by the P wave
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False
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In the spiral cord ventral horns of the gray matter recieve sensory nerve fibers and dorsal horns contain somas of motor neurons
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False
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Voluntary control of the autonomic nervous system is not possible
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True
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A heart beat rate of 45 beats per minute and an absense of P waves suggests a heart block
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false
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An excellent site for taking your pulse is the jugular vein in your neck
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false
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HIV is a retrovirus that detroys T helper cells
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True
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What is N5H1
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Bird flu
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For each molecule of ATP consumed during active transport of sodium and potassium (sodium/potassium pump)
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2 potassium ions are imported and 3 sodium ions are exported
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the amount of air inhaled and exhaled in one quiet breath is your
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tidal volume
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all of the following factors will cause the oxyhemoglobin dissociation curve to shift to the right except
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lower carbon dioxide concentrations
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cardiac output=______X_______
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heart rateX stroke volume
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The most powerful stimulus to breathe is
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the PCO2 of the blood
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List the 3 classes of microorganisms in a cow's rumen
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bacteria, protozoa, and fungi
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a resting neuron has a higher concentration of NA+ in its cytoplasm than in the extracellular fluid surrounding it
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false
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New imaging methods of the brain_________and _________ that rely on transient increases in blood flow to parts of the brain called into action to perform specific tasks have increased our knowledge of brain function
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PETSCAN and MRI
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When______ ions arrive at the axon hillock and enter the cell they depolarize the cell membrane and the membrane becomes positive and stays the same
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sodium
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the outflow of ______ ions repolarizes the membrane and the membrane becomes more ________
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potassium and negative
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a college student with a fever, stiff neck, and headache should be examined for possible________
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meningitis
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the matching airflow to the blood flow in any region of the lung is called
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ventilation-perfusion coupling
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respiratory arrest would most likely result from a tumor of the
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pons
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opacities in the lens are called
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cataracts
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the middle ear is an air filled chamber that is connected to the nose and throat via a channel called the
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eustachian tube
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most of the cholesterol in our bodies comes from our diet
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false
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arteries carry blood away from the heart, while veins carry blood towards the heart. We would expect that the only vein to contain bright red blood would be the
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pulmonary vein
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expiration requires more energy than required by inspiration
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false
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surfactant increases surface tension in the alveoli
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true
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the amount of air inhaled and exhaled in one quiet breath is your
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tidal volume
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Falling blood pH would have what effect on respiration normally
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hyperventilation
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all of the following factors will cause the oxyghemoglobin dissociation curve to shift to the right except
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lower carbon dioxide concentrations
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all of the following factors could produce bronchoconstriction except
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epinephrine
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interferons have this function
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stimulate neighboring cells to produce antiviral proteins
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on the electrocardiogram, repolarization of the ventricle is represented by the
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t-wave
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the valve that lies between the right atrium and the right ventricle is the
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tricuspid valve
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hypertension is a chronic resting blood pressure higher than which of the following?
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140/90
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what is the definition of prehypertension
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120/80
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erythrocytes
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do not contain a nucleus
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monocyte
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most important cell in wound healing, differentiates into macrophages
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eosinophils
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released in response to allergies and parasites
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basophil
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rare, secrete heparin and histamine
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lymphocyte
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secrete antibodies, important in immune function
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neutrophils
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phagocytosis of bacteria, released antimicrobial chemicals
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complement proteins lead to the destruction of foreign cells by
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combining to pole holes in the cell surface
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the anterior interventicular artery and the circumflex artery are the main branches of the left coronary artery
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false
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the most powerful stimulus to breathe is
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the PCO2 of the blood
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when you inhale, does your chest expand because your lungs inflate, or do your lungs inflate because your chest expands
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because your chest expands
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the collapse or congestion of a lung is called
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atelectasis
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Scuba divers are told to never hold their breath. which gas law applies here?
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Boyles law
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Divers used compressed air, a mixture of 21% oxygen and 79% nitrogen. On land, nitrogen presents no physiological problems because it dissolves poorly in blood and is physiologically inert. But under water as pressure increases, larger amounts of nitrogen dissolve in the blood. which gas law applies here?
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Henry's law
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in alveolar capillaries, oncotic pressure is greater than the mean blood pressure
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true
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which type of neuroglial cell forms myelin in the brain
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oligodendrocyte
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anisocoria
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oculomotor
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strabismus
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oculomotor, trochlear,
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ear and lip droop
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facial
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loss of sensation to the face
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trigeminal
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tongue paralysis
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hypoglossal
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carpal tunnel syndrome
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median nerve
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loss of smell
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olfactory
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head tilt, nystagmus
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spinal accessory nerve
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blindness
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optic nerve
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loss of bitter taste, impaired swallowing
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glossopharyngeal nerve
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fatal if both the right and left nerves are severed
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vagus
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in horses, inability to advance and flex the rear lumb, In humans, a tingling in the leg. often associated with a bad injection
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sciatic nerve
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Includes the anti A and anti B agglutinins of the ABO blood group
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IgM
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Fermintation occurs here in a dairy cow
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rumen
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constitutes 80% if circulating "antibodies" in plasma, often given post rabies exposure
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IgG
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Enzyme that microbes secrete that humans do not
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cellulase
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molecule capable of triggering an immune response
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antigen
|
|
endocrine gland located near laynx that regulates body metabolism
|
thyroid
|
|
"salt-retaining" hormone
|
aldosterone
|
|
induces fever
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pyrogen
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WBC crawl between endothelial cells
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diapedesis
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Neuroglial cell that forms myelin in the brain
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oligodendrocyte
|
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proteins secreted by cells in response to viral infections
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interferons
|
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head tilt, systagmus
|
vestibulocochlear nerve
|
|
loss of sensation to the face
|
trigenminial nerve
|
|
carpal tunnel syndrome
|
median nerve
|
|
connects right and left cerebral hemispheres
|
corpus callosum
|
|
part of the limbic system and responsible for the formation of feelings
|
hippocampus
|
|
lobe of cerebrum responsible for hearing
|
temporal lobe
|
|
sensory gateway to the cortex
|
thalamus
|
|
fine tunes voluntary muscle contraction
|
precentral gyrus
|
|
visual lobe of the brain
|
occipital lobe
|
|
primary motor area of the brain
|
parietal lobe
|
|
ascending tract responsible for temperature, pain and light touch
|
spinothalmic
|
|
descending tract that allows you to write answers on this test
|
corticospinal
|
|
NSAIDs exert their anti-inflammatory effect by blocking this enzyme
|
cyclooxygenase
|
|
Photoreceptors in the retina that are sensative to color
|
cone cells
|
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compliment proteins coat bacteria to enhace phagocytosis
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opsonization
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before a B lymphocyte can secrete antibodies, it must transform into
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a plasma cell
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which of the following cells are destroyed by the AIDS virus
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helper T cells
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a condition caused by infection with roundworms (filariae) characterized by dramatic accumulation of fluid, especially in the extemities is
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elephantiasis
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which of the following is not a function of the lymphatic system
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it absorbs dietary lipids
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the two basic types of specific immunity are _______ and ______ . Antibodies are produced in which type of specific immunity?
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humoral, cellular, and humoral
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when are cows most likely to suffer from ketosis
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early lactation
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the gestation time for a cow is _____ months which mean they need to give birth ______ to maintain a normal lactation schedule
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9 ,2 months
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what is BST
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recombinant boume somatotropin
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two non-protein nitrogen sources utilized by the rumen microbes to make protein for the dairy cow
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urea and ammoniated feeds
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on the electrocardiogram, depolarization of the ventricle is represented by the
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QRS complex
|
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how do statins lower levels of cholesterol in your blood
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HMG coreductase inhibitor (block enzyme NMG which is needed to produce cholesterol)
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the most powerful stimulus to breathe is
|
the PCO2 of the blood
|
|
what are the 2 sources of cholesterol in our bodies
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dietary and liver synthesis
|
|
the collapse or congestion of a lung is called
|
atelectasis
|
|
under water as pressure increases, larger amounts of nitrogen dissolve in the blood. Which gas law applies here?
|
Henry's law
|