If the Repeated Exposure to a Drug Increases the Activity

question 28

Multiple Choice

If the repeated exposure to a drug increases the activity of the CYP450 enzyme that is responsible for metabolizing that drug, then future doses of the drug will be less effective than the first doses. What is this an example of?

• A) Drug disposition tolerance
• B) Behavioural tolerance
• C) An active metabolite
• D) A prodrug