The primary neurotransmitter of the parasympathetic nervous system is:
A) epinephrine.
B) acetylcholine.
C) reteplase.
D) dopamine.

Question

Quizplus · Accepted Answer

The parasympathetic nervous system primarily uses acetylcholine as its neurotransmitter to elicit responses in target tissues. This is in contrast to the sympathetic nervous system, which primarily uses epinephrine (also known as adrenaline) as its neurotransmitter. Reteplase and dopamine are not neurotransmitters of the autonomic nervous system.

The Primary Neurotransmitter of the Parasympathetic Nervous System Is