The neurotransmitter at a neuromuscular junction is
a. acetylcholine
b. the same as the transmitter substance at parasympathetic postganglionic nerve endings
c. the same as that released by all preganglionic fibers
d. all of the above
e. only a and b
D
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The fissure separating the frontal, parietal, and temporal lobes is the ____________________.
Fill in the blank(s) with the appropriate word(s).
The cytoplasmic extensions that, together with the cell body, provide the main receptive surfaces for neurons are
A. dendrites. B. chromatophilic substance (Nissl bodies). C. axons. D. neurofibrils.
Any condition accompanied by severe kidney damage can result in ________, the second most common acid-base disorder.
A) metabolic acidosis B) metabolic alkalosis C) respiratory acidosis D) respiratory alkalosis E) pyelonephritis
From a physiological perspective, the increase in pelage (i.e. fur) that some mammals experience in winter represents
a. acclimation. b. acclimatization. c. adaptation. d. feedback inhibition.