Mendon began by taking one amphetamine a day to control his appetite. After a month or so, the one pill did not work as well but two pills did. This is an example of:
A) tolerance.
B) resistance.
C) withdrawal.
D) dependence.

Question

Quizplus · Accepted Answer

Tolerance occurs when the body becomes less responsive to a drug over time, requiring larger doses to achieve the same effect, as illustrated by Mendon needing two pills instead of one.

Mendon Began by Taking One Amphetamine a Day to Control