The strength of a stimulus is communicated through
A. changes in the magnitude of the action potential.
B. the frequency of the action potentials.
C. the length of time action potentials are produced.
D. both the frequency and the length of time action potentials are produced.
D
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Atrial natriuretic peptide is a hormone that
A. is stimulated to release when blood volume decreases. B. inhibits the release of renin and aldosterone. C. raises blood pressure. D. is released from the adrenal cortex and stimulates atrial hormones.
Plasma, being a liquid, consists of about __________% water
Fill in the blank(s) with correct word
Microscopic examination of a frozen tissue specimen is an application of which of the following disciplines?
A. histology B. physiology C. gross anatomy D. radiology E. regional anatomy
A pollex has ________ phalanges.
A. 10 B. 2 C. 7 D. 14 E. 3