Nitrates relieve angina by:
Select one:
Oa. increasing oxygen use
O O
b. lowering the heart rate
Oc. dilating the coronary arteries
d. lowering blood pressure



Answer :

Final answer:

Nitroglycerine relieves angina by generating nitric oxide, which dilates coronary arteries, improving blood flow to the heart.


Explanation:

Nitroglycerine, commonly used to relieve angina pain, works by generating nitric oxide (NO), which causes the dilation of coronary arteries and arterioles. NO is a vasodilator that helps relax smooth muscle, thus increasing blood flow to the heart. This mechanism helps alleviate angina symptoms by improving blood supply to the heart muscle.


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