Question

substance abuse pre - test
1 multiple choice 1 point
which drug is most commonly known as a gateway drug?
cocaine
heroin
methamphetamine
marijuana

Explanation:

A gateway drug is a substance whose use may lead to the use of more - dangerous or illegal drugs. Marijuana is commonly considered a gateway drug as its use has been associated with the progression to using harder drugs like cocaine, heroin, and methamphetamine.

Answer:

D. Marijuana