The experience of vivid geometric images and dreamlike scenes is most likely to be triggered by

A) LSD.
B) heroin.
C) Nembutal.
D) amphetamines.

Depressant

A substance that slows down the central nervous system, reducing arousal and stimulation in the body.

Alcohol

A psychoactive substance commonly found in beverages like beer, wine, and spirits, known for its effects on the nervous system.

Methamphetamine

Methamphetamine is a powerful, highly addictive stimulant that affects the central nervous system, known for its use both as a recreational drug and, less commonly, for its therapeutic use in certain medical conditions.