The need to take increasing amounts of a drug to get the same effect that a lower dose used to bring is called
A)dependence.
B)addiction.
C)tolerance.
D)psychoactivity.

Question

Quizplus · Accepted Answer

Tolerance refers to the need for increasing amounts of a drug to produce the same effect, while dependence and addiction refer more broadly to patterns of compulsive drug use. Psychoactivity refers to the ability of a drug to affect mental processes and behavior, but it does not specifically refer to the development of tolerance.

The Need to Take Increasing Amounts of a Drug to Get