Omeprazole is a_____________?
Correct answer: B. Proton pump inhibitor
- A. Antihistamine
- B. Proton pump inhibitor
- C. Ulcer protective
- D. Ulcer healing drug
Explanation
Omeprazole is a proton pump inhibitor because it blocks the gastric parietal-cell H+/K+-ATPase, the final step in acid secretion. “Ulcer healing drug” describes a therapeutic effect, whereas the pharmacological class asked here is proton pump inhibitor.
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