Question:
........ is a potent vasodilator.
........ is a potent vasodilator.
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Histamine plays a dual role in allergic reactions and regulating stomach acid.
Updated On: Feb 4, 2025
- Histamine
- Serotonin
- Codeine
- Cimetidine
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The Correct Option is A
Solution and Explanation
Step 1: Understanding Vasodilators
Vasodilators are substances that widen blood vessels, reducing blood pressure.
Histamine plays a key role in immune response and vasodilation.
Step 2: Classification of Given Options
Histamine causes vasodilation and regulates stomach acid secretion.
Serotonin affects mood and blood clotting but is not a vasodilator.
Codeine is an opioid pain reliever.
Cimetidine is a histamine receptor
blocker.
Final Answer: Since histamine is the primary vasodilator, the correct answer is (A).
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