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First heart sound is associated with the...

First heart sound is associated with the closure of _______ valves whereas second heart sound is associated with the closure of _____valves.

A

(1) semilunar , atrioventricular

B

(2) atrioventricular, semilunar

C

(3) bicuspid, tricuspid

D

(4) tricuspid, bicuspid

Text Solution

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The correct Answer is:
B
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