Question:
Identify the pair which is not correctly matched:
Identify the pair which is not correctly matched:
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Histamine causes bronchoconstriction, not dilation; it also stimulates gastric acid secretion.
Updated On: Jun 3, 2025
- Aspirin - prevents platelet coagulation
- Histamine - dilates smooth muscle in bronchi
- Aspirin - inhibits prostaglandin synthesis
- Histamine - stimulates the secretion of HCl in stomach
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The Correct Option is B
Solution and Explanation
- Aspirin prevents platelet aggregation (coagulation) and inhibits prostaglandin synthesis. Both matches are correct.
- Histamine causes constriction (not dilation) of smooth muscle in the bronchi, leading to bronchoconstriction.
Therefore, option 2 is incorrect.
- Histamine stimulates secretion of gastric acid (HCl) in the stomach, so option 4 is correct.
Hence, the incorrect pair is "Histamine - dilates smooth muscle in bronchi."
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