. is a potent vasodilator
A: Histamine
B: Serotonin
C: Codeine
D: Cimetidine
Best Answer
Explanation:
Histamine is a vasodilater as it dilates or widens the blood vessels.
It also stimulates the secretion of pepsin and HCl in the stomach.
Final answer:
Hence the correct answer is A i.e. histamine
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