Assertion :Atherosclerosis is a disease characterized by the thickening of arterial walls. Reason: Deposition of cholesterol and triglycerides in the arterial walls causes atherosclerosis.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

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Assertion is correct but Reason is incorrect.

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Both Assertion and Reason are incorrect.

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
Atherosclerosis is basically deposition of fats that can clog arteries. This accumulation is called plaque. This plaque is made up of cholesterol, fatty substances, cellular waste products, calcium, and fibrin. As plaque builds up, an artery wall gets thicker. Consequently, this reduces passage of the flow of blood and oxygen to the cells.
Hence, the correct option is A.

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Similar questions

Q. Assertion :Atherosclerosis is a disease characterised by thickening of arterial walls.
Reason: Deposition of cholesterol and triglycerides in the arterial walls causes atherosclerosis.

Q. Assertion: Atherosclerosis is a disease characterized by the thickening of arterial walls.
Reason: Deposition of calcium, fat and cholesterol in the arterial wall causes atherosclerosis.

Q. Assertion: The compressibility factor for

H_{2}

and

H e

(1 + \frac{P b}{R T})

Reason: The compressibility factor for

H_{2}

and

H e

can be derived from Van der Waal's equation.

Assertion (A) Order of the reaction can be zero or fractional.

Reason (R) We cannot determine order from balanced chemical equation.

(a) Both assertion and reason are correct and the reason is correct explanation of assertion
(b) Both assertion and reason are correct, but reason does not explain assertion.
(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
(e) Assertion is incorrect but reason is correct.

ASSERTION: n-Pentane and n-Hexane belong to a homologous series.

REASON: n-Pentane and n-Hexane belong to the same class of hydrocarbons and they differ by a - $C H_{2}$ - group.

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