Question

hallucinogens
currently selected: a
a drugs that speed up the central nervous system
b drugs that tend to slow the central nervous system
c drugs that alter moods, thoughts, and sense perceptions
d synthetic drugs that are made to imitate other drugs
e drugs from the opium plant that can cause addiction

Explanation:

Hallucinogens are a class of drugs that alter a person's moods, thoughts, and sense perceptions (including causing hallucinations). Option A describes stimulants, B describes depressants, D describes synthetic analogs (like designer drugs), and E describes opioids. So the correct option is C as it matches the definition of hallucinogens.

Answer:

C. drugs that alter moods, thoughts, and sense perceptions