The molecule that an enzyme affects is its ________.
Fill in the blank(s) with the appropriate word(s).
substrate
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Which of the following are effectors?
A. Receptors B. Sense organs C. Reflexes D. Stimuli E. Glands
In order to prevent a patient from experiencing pain, local anesthetics must ________ in sensory neurons, which would prevent an action potential.
A. bind to calcium channels B. bind to sodium channels C. inhibit the release of acetylcholine D. bind to potassium channels
Vasomotion is associated with the presence of
a) collagen and elastic tissue in the tunica media. b) elastic tissue in the tunica externa. c) endothelium in the tunica interna. d) smooth muscle in the tunica media. e) fenestrations in the tunica externa.
In a normal person at rest, the part of the respiratory cycle in which no air is flowing through the airways and the respiratory muscles are relaxed is at the end of inhalation/inspiration, prior to exhalation/expiration
Indicate whether the statement is true or false.