One motor neuron and all of the muscle fibers it innervates is called a
A. nerve.
B. neuromuscular junction.
C. ganglion.
D. motor unit.
Answer: D
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How does the beta cell in the pancreas react to release insulin when glucose levels are low?
What will be an ideal response?
A drug that blocks the action of carbonic anhydrase in parietal cells would result in
A) increased protein digestion in the stomach. B) a lower pH during gastric digestion. C) decreased gastrin production. D) decreased production of pepsinogen by chief cells. E) a higher pH during gastric digestion.
As the number of molecules of gas dissolved in a liquid increases, __________.
a. the pressure of the gas decreases b. the pressure of the gas is not affected c. the pressure of the gas increases d. none of the listed responses takes place
What type of tissue covers body surfaces and lines body cavities?
A. Muscle B. Connective C. Epithelial D. Connective and muscle