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NEET UG BIOLOGY MCQ: BODY FLUIDS AND CIRCULATION

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In the ventricular diastole, the …A… valve closes. This causes the second heart sound …B… . Choose the correct option for A and B

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Correct option: A

A-Semilunar; B-Dub

Option A (A-Semilunar; B-Dub) is correct because the semilunar valves close during ventricular diastole, producing the second heart sound, "Dub".

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{O^ - }

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