The Neurotransmitter Released by Postganglionic Fibers in the Parasympathetic Division

Question

The neurotransmitter released by postganglionic fibers in the parasympathetic division is
A)glycine
B)acetylcholine
C)acetylcholinesterase
D)dopamine
E)norepinephrine

Accepted Answer

The neurotransmitter released by postganglionic fibers in the parasympathetic division is acetylcholine (ACh). This neurotransmitter is responsible for the rest-and-digest response, regulating functions such as digestion, urination, and sexual arousal.