A heroin overdose is likely to occur when:
A) one has been without heroin for a period of time and then takes one's usual dose.
B) one consistently takes the same dose of heroin.
C) one gradually, but consistently, takes larger doses of heroin.
D) one has been without heroin for a period of time and then takes a lower than usual dose.

Question

Quizplus · Accepted Answer

When someone has been without heroin for a period of time, their tolerance decreases, so the usual dose is now too high and can lead to an overdose.

A Heroin Overdose Is Likely to Occur When