The phenomenon whereby higher doses of a drug are required to produce its original effects is known as
A)physical dependence.
B)psychological dependence.
C)tolerance.
D)withdrawal.

Question

Quizplus · Accepted Answer

Tolerance refers to the need for higher doses of a drug to achieve the same effect as a result of repeated use or exposure to the drug. Physical dependence refers to the physiological adaptation of the body to the drug, leading to withdrawal symptoms when the drug is discontinued, while psychological dependence refers to the emotional and motivational dependence on the drug despite physical withdrawal symptoms. Withdrawal refers to the symptoms that occur when drug use is abruptly stopped or decreased after habitual or prolonged use.

The Phenomenon Whereby Higher Doses of a Drug Are Required