The Neurotransmitter Released by the Postganglionic Fibers of the Sympathetic

Question

The neurotransmitter released by the postganglionic fibers of the sympathetic division is
A)norepinephrine
B)acetylcholine
C)acetylcholinesterase
D)dopamine
E)epinephrine

Accepted Answer

The neurotransmitter released by the postganglionic fibers of the sympathetic division is norepinephrine. This neurotransmitter is responsible for the "fight or flight" response, increasing heart rate, blood pressure, and blood flow to muscles.