Multiple Choice
In autonomic efferent pathways, preganglionic neurons use _______ as the neurotransmitter, whereas postganglionic neurons use _______ as the neurotransmitter.
A) norepinephrine; acetylcholine
B) acetylcholine; norepinephrine
C) norepinephrine or acetylcholine; norepinephrine
D) acetylcholine; norepinephrine or acetylcholine
E) norepinephrine or acetylcholine; norepinephrine or acetylcholine
Correct Answer:
Verified
Correct Answer:
Verified
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