💊 PCAT Exam Prep

Enzyme induction by a drug means:

A Enzymes are destroyed
B The drug increases production of metabolizing enzymes, potentially decreasing levels of co-administered drugs
C Enzymes are inhibited
D No effect on metabolism

✓ Correct Answer: Option B

Inducers (rifampin, carbamazepine) increase CYP450 synthesis → faster metabolism of other drugs → reduced efficacy.

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