Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Diastolic blood pressure is one of the better ways to estimate afterload. Reason (R): Afterload is the pressure in the aorta that the left ventricle must overcome to open the aortic valve, and mean arterial pressure is the best estimate of this pressure. In the light of the above statements, choose the most appropriate answer from the options given below:

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Biology · Human Physiology

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

Both Assertion (A) and Reason (R) are true, and Reason (R) correctly explains Assertion (A).

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Answer 1

Both Assertion (A) and Reason (R) are true, and Reason (R) correctly explains Assertion (A).

Answer 2

Both Assertion (A) and Reason (R) are true, but Reason (R) does not explain Assertion (A).

Answer 3

Assertion (A) is true, but Reason (R) is false.

Answer 4

Assertion (A) is false, but Reason (R) is true.

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