George had started taking cocaine a year ago. He is addicted to the feeling of euphoria brought about by cocaine. Of late, even after using the same amount of cocaine that he had been using for the past year, he feels less of its effects. This situation is referred to as
A) potentiation.
B) tolerance.
C) withdrawal.
D) rejection.

Question

Quizplus · Accepted Answer

Tolerance is the decreased effect of a drug with repeated use. In this case, George has been taking cocaine for a year and is now experiencing less of its effects even though he's using the same amount as before. This is a classic example of tolerance.

George Had Started Taking Cocaine a Year Ago