When a patient first began using alcohol, two drinks produced relaxation and drowsiness. After 1 year, four drinks are needed to achieve the same response. Why has this change occurred?
A) Tolerance has developed.
B) Antagonistic effects are evident.
C) Metabolism of the alcohol is now delayed.
D) Pharmacokinetics of the alcohol have changed.

Question

Quizplus · Accepted Answer

Tolerance refers to needing higher and higher doses of a drug to produce the desired effect. The potency of the alcohol is stable. Neither hypomagnesemia nor antagonistic effects account for this change.

When a Patient First Began Using Alcohol, Two Drinks Produced