Which of the following neurotransmitters functions as a major inhibitory neurotransmitter in the brain?
A) serotonin
B) GABA
C) acetylcholine
D) norepinephrine

Question

Quizplus · Accepted Answer

GABA (gamma-aminobutyric acid) functions as a major inhibitory neurotransmitter in the brain. It helps to reduce neural activity and therefore has a calming effect on the brain. Serotonin, acetylcholine, and norepinephrine are all neurotransmitters, but they do not primarily function as inhibitors in the brain.

Which of the Following Neurotransmitters Functions as a Major Inhibitory