Question

multiple choice question
the sympathetic postganglionic fibers are considered to be ____ because they secrete the neurotransmitter called ____.
adrenergic; norepinephrine
cholinergic; norepinephrine
cholinergic; acetylcholine
adrenergic; acetylcholine

Explanation:

The sympathetic post - ganglionic fibers are generally adrenergic, meaning they secrete norepinephrine as a neurotransmitter. Cholinergic fibers secrete acetylcholine.

Answer:

A. adrenergic; norepinephrine