Hydrochloric acid is secreted by which of the secretory cells of the stomach?
A) chief cells
B) parietal cells
C) serous cells
D) mucous neck cells
B) parietal cells
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The fetus receives antibodies from the mother which last several weeks after birth. This is an example of ________
A) Natural passive immunity B) Natural active immunity C) Artificial active immunity D) Artificial passive immunity
On the surface of the sarcolemma, the membrane potential may depolarize and repolarize rapidly. This change in electrical potential caused by membrane permeability changes for ions is known as a(n)
A) action potential. B) myosin potential. C) energy of dissipation. D) resting membrane potential.
A person who is suffering from bouts of repeated vomiting may risk developing a serious case of
A) respiratory acidosis. B) metabolic acidosis. C) nephritis. D) respiratory alkalosis. E) metabolic alkalosis.
Imagine a beaker divided down the center by a rigid membrane that is freely permeable to water but impermeable to glucose. Side 1 contains a 10 percent glucose solution and side 2 contains the same volume of pure water. At equilibrium, what will be the situation?
A) Water will continue to move from side 1 to side 2. B) Water will continue to move from side 2 to side 1. C) The volume of liquid will be greater in side 1. D) The volume of liquid will be greater in side 2. E) The volume of liquid remain equal on both sides.