When a Patient First Began Using Alcohol, Two Drinks Produced

Multiple Choice

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) The pharmacokinetics of the alcohol has changed.