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Atherosclerosis

The depositio...

Question

The deposition of cholesterol, fat and fibrous tissues causes ____________ of the lumen of arteries.

A

widening

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B

narrowing

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C

will not change

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D

none of the above

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Solution

The correct option is B narrowing
Coronary arteries are the arteries that supply blood to the heart and surround the heart. The blockage or narrowing of these arteries is called coronary artery disease or atherosclerosis. Atherosclerosis is caused by the deposition of calcium, fat, cholesterol and fibrous tissue due to which lumen of the arteries gets narrower.

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Atherosclerosis

Standard XII Biology

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