The drug atropine influences the autonomic nervous system by
A)stimulating the release of norepinephrine.
B)blocking the action of norepinephrine.
C)stimulating the release of acetylcholine.
D)blocking the action of acetylcholine.

Question

Quizplus · Accepted Answer

Atropine is an antagonist of acetylcholine and blocks its action, leading to the dominance of the sympathetic nervous system. This results in an increase in heart rate, dilation of pupils, and decreased activity of the digestive system.

The Drug Atropine Influences the Autonomic Nervous System by