Assertion(A): Aspirin is used to prevent heart attacks.
Reason(R): Aspirin prevents the clotting of blood.

A is true, R is true and R is the correct explanation of A.

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A is true, R is true and R is not the correct explanation of A.

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A is true, R is false.

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A is false, R is true.

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Solution

The correct option is A A is true, R is true and R is the correct explanation of A.
Aspirin is also used long-term, at low doses, to help prevent heart attacks, strokes and blood clot formation in people at high risk of developing blood clots.
So both A and R statements are correct and R is the correct explanation of A.

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Assertion(A): Aspirin is used to prevent heart attacks.Reason(R): Aspirin prevents the clotting of blood.

Assertion(A): Aspirin is used to prevent heart attacks.
Reason(R): Aspirin prevents the clotting of blood.