When a patient has taken a drug over time and the drug has lost its effectiveness,the patient has developed a(n):

Question

Quizplus · Accepted Answer

Drug tolerance is the loss of effectiveness of a drug when a patient has taken the drug over time and no longer receives the drug's beneficial effects.
A drug interaction occurs when an additional drug is introduced into the body system.
A drug addiction is a physical dependence on a drug.
An allergic reaction occurs when a drug triggers an immune response.

When a Patient Has Taken a Drug Over Time and the Drug