Over 50 different neurotransmitters have been identified, but the best known is ________.
A) norepinephrine
B) epinephrine
C) glutamate
D) acetylcholine
E) GABA

Question

Quizplus · Accepted Answer

While all of the neurotransmitters listed are well-known, acetylcholine is often considered the best known because it was the first neurotransmitter to be identified and studied extensively. It is involved in many functions including muscle movement, memory, and attention.

Over 50 Different Neurotransmitters Have Been Identified, but the Best