A parasympatholytic drug blocks the effects of the parasympathetic nervous system by:
A. increasing the effects of the sympathetic nervous system.
B. binding to receptors and blocking the release of acetylcholine.
C. agonizing parasympathetic receptors so they may exert their effect.
D. antagonizing sympathetic receptors and blocking the release of epinephrine.
Ans: B. binding to receptors and blocking the release of acetylcholine.
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