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Coronary Artery Disease (atherosclerosis) is caused by
ADeposits of fat, calcium and cholesterol
BExcess oxygenation of arterial blood
CAuto-immune attack on the endocardium
DViral infection of the cardiac muscle
Answer & Solution
Correct answer: A. Deposits of fat, calcium and cholesterol
Atherosclerotic plaques (fat, calcium, cholesterol, fibrous tissue) narrow coronary lumina, reducing blood supply to heart muscle. Risk factors include hypertension, diabetes, smoking, dyslipidaemia.
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