1) with heat acclimatization,
a) sweating becomes more productive.
b) aldosterone increases.
c) sweating becomes more concentrated.
d) sweating becomes more productive and aldosterone increases.
e) aldosterone increases and sweating becomes more concentrated.
2) an increase in pco2 would cause
a) the bronchioles to dilate and the systemic arterioles to dilate.
b) the bronchioles to dilate and the systemic arterioles to constrict.
c) the bronchioles to constrict and the systemic arterioles to dilate.
d) the bronchioles to constrict and the systemic arterioles to constrict.
e) none of the answers are correct.
3) caveolae and clathrin-coated pits are both used in
a) endocytosis.
b) exocytosis.
c) phagocytosis.
d) all of the answers are correct.
e) none of the answers are correct.
4) glycoprotein molecules
a) act as receptors on the surface of cell membranes.
b) function as cell markers.
c) are present in the secretions coating the respiratory tract.
d) function as hormones from the pancreas.
e) act as receptors on the surface of cell membranes and function as cell markers.
5) which of the following are responsible for a receptor adapting to a stimulus?
a) k+ channel inactivation only
b) na+ channel inactivation only
c) opening of na+ channels only
d) opening of k+ channels only
e) na+ channel inactivation or k+ channel opening
6) match the term to its definition.
a. metabolism
b. catabolism
c. anabolism
the energy content of a food or similar substance is measured by a process called
________.
7) match the answers to the questions.
a. true only for the sympathetic division
b. true only for the parasympathetic division
c. true for both divisions
the neurotransmitter acetylcholine is released by neurons at the neuroeffector synapse.
8) sperm production occurs in the
a) ductus deferens.
b) seminiferous tubules.
c) epididymis.
d) seminal vesicles.
e) rete testis.
9) brown fat
a) is found in infants.
b) functions in nonshivering thermogenesis.
c) contains a rich vascular supply.
d) is innervated by the sympathetic nervous system.
e) all of these answers are correct.
10) bill wants to determine his blood type, so he takes a few drops of blood from a
puncture wound in his finger and mixes it with various antisera. his blood cells
agglutinate when mixed with the anti-a serum but not with the anti-b. therefore this is
true:
a) bill could receive type b blood in a transfusion.
b) bill could donate blood to an individual with type b blood.
c) bill is rh positive.
d) bill’s plasma contains b antibodies.
e) bill’s plasma would cross-react with type o red blood cells.
11) the two organ systems that work together to regulate most aspects of the body’s
water balance are
a) digestive and respiratory.
b) urinary and respiratory.
c) cardiovascular and respiratory.
d) urinary and cardiovascular.
e) digestive and cardiovascular.
12) the pituitary hormone that triggers the release of thyroid hormone from the thyroid
gland is
a) tsh.
b) acth.
c) fsh.
d) trh
e) crh.
13) nadh is produced from each reaction described except one. identify the exception.
a) during aerobic glycolysis
b) during the conversion of pyruvate to acetyl coa
c) during the citric acid cycle
d) during anaerobic glycolysis
14) the rearrangement of connections at synapses, which occurs throughout life, is
termed
a) elasticity.
b) intelligence.
c) plasticity.
d) senility.
e) synchronicity.
15) if a person is bedridden for several days, the baroreceptor reflex may fail upon
standing. why?
a) blood pools in the feet and legs.
b) there is reduced blood flow to the brain.
c) the kidneys have reduced the blood volume.
d) blood pools in the feet and legs and there is reduced blood flow to the brain.
e) all of the statements are correct.
16) damage to the type ii cells of the lungs would contribute to
a) a thickening of the respiratory membrane.
b) an increased rate of gas exchange.
c) alveolar rupture.
d) alveolar collapse.
e) decreased surface tension in the water lining the alveoli.
17) during the absorptive state,
a) the liver forms glycogen.
b) adipocytes contribute fatty acids to the circulation.
c) skeletal muscles break down glycogen.
d) glucagon levels are elevated.
e) all of these answers are correct.
18) lipid carriers
a. fibrous
b. globular
19) match the structure to its description.
a. muscle spindles
b. golgi tendon organs
c. both
eventually synapses with alpha motor neurons that innervate extrafusal muscle fibers
20) the addition of several stimuli arriving from different locations on the same cell to
produce an action potential is called ________.
21) the specialized cells found in the capsule epithelium are called ________. these
cells have long cytoplasmic extensions called ________.
22) compare and contrast the types of pressure and flow in systemic, pulmonary,
glomerular, and peritubular capillaries using simple diagrams or tables. be as complete
and specific as possible. you do not need to provide values for the pressures, but you
should indicate the relative strength of the different pressures.
23) fatigue that occurs in response to extended submaximal exertion is usually due to
________ whereas fatigue to a short duration of maximal exertion involves ________.
24) the process of synthesizing glucose from lipids, amino acids, or other carbohydrates
is called ________.
25) the ________ circuit carries blood to and from all parts of the body except the
alveoli of the lungs.
26) primary sensory neurons transmitting information on sweet and umami are
activated by release of ________ whereas salty and sour are activated by release of
________.
27)