Although the exact mechanisms for alcohol's action in the brain are not completely understood, what is now believed to be the most important of its many effects?
A) Enhancing GABA's inhibitory effects.
B) Blocking serotonin receptors.
C) Releasing norepinephrine.
D) Stimulating glutamate receptors.

Question

Quizplus · Accepted Answer

Alcohol is believed to enhance the inhibitory effects of GABA (gamma-aminobutyric acid), which is the primary inhibitory neurotransmitter in the brain. This action contributes to the sedative effects of alcohol.

Although the Exact Mechanisms for Alcohol's Action in the Brain