Alcohol is a depressant, and not a stimulant. Although alcohol may make people feel outgoing, it inhibits the nervous system by effectively increasing the binding of:
A) GABA
B) epinephrine
C) serotonin
D) glutamate

Question

Quizplus · Accepted Answer

Alcohol increases the binding of GABA receptors in the brain, which leads to a decrease in brain activity and a sluggish, sedative effect on the body. This is why alcohol is classified as a depressant rather than a stimulant. The other options (B, C, and D) are neurotransmitters or hormones that play a role in mood and behavior, but they are not directly affected by the binding of alcohol to the brain receptors.

Alcohol Is a Depressant, and Not a Stimulant