Question

Which hormone regulates the dilation of
Coronary artery
A) Thyroxine B) Adrenalin C) Testosterone D) Estrogen

Answer 1

Answer:

Antidiuretic hormone in physiological concentration has little effect on the coronary circulation but causes vasoconstriction in stressed patients. The other peptides cause endothelium-mediated vasodilatation. Angiotensin II causes coronary vasoconstriction independent of sympathetic innervation

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Answer 2

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