Drugs exhibiting first pass metabolism are all EXCEPT one______________?
Correct answer: D. Salicylates
- A. Morphine
- B. Nitroglycerine
- C. Propranolol
- D. Salicylates
Explanation
Morphine, nitroglycerin and propranolol undergo substantial first-pass metabolism, which reduces their oral bioavailability. Salicylates are not classically listed among drugs with marked first-pass metabolism in this context.
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