Which neurotransmitter is involved in reducing perceptions of pain?
A) acetylcholine
B) endorphin
C) epinephrine
D) nitric oxide
E) gamma-aminobutyric acid (GABA)

Question

Quizplus · Accepted Answer

Endorphins are known to reduce the perception of pain and are released in response to pain and stress. Acetylcholine is involved in muscle contraction, EPinephrine is involved in the body's "fight or flight" response, Nitric oxide plays various roles in the body including regulating blood pressure, and GABA is mainly an inhibitory neurotransmitter involved in reducing neural activity.

Which Neurotransmitter Is Involved in Reducing Perceptions of Pain