Caffeine is a
A) stimulant.
B) depressant.
C) narcotic.
D) psychogenic drug.
E) hallucinogen.

Question

Quizplus · Accepted Answer

Caffeine is a stimulant drug that increases alertness and can improve mental and physical performance. It works by blocking the action of adenosine, a neurotransmitter that promotes sleep and suppresses arousal. This leads to increased activity in the brain and body, resulting in the stimulating effects of the drug.

Caffeine Is a