A patient is identified as an ultra-rapid metabolizer for drugs that are prepared for elimination by CYP2D6. What effect will this have on the patient's ability tobenefit from any active drug that is metabolized by this enzyme?
A)Intended responses increase, whereas side effects decrease.
B)Intended responses decrease, whereas side effects increase.
C)Both intended responses and side effects increase.
D)Both intended responses and side effects decrease.

Question

Quizplus · Accepted Answer

A person who is an "ultra-metabolizer" for an active drug breaks down and eliminates the drug very quickly, often not achieving the minimum effective blood concentration. As a result, both the beneficial intended responses and the risks for side effects are greatly reduced at normal drug dosages.

A Patient Is Identified as an Ultra-Rapid Metabolizer for Drugs