“lubb” sound is produced due to___________________? — Answer & Explanation | PrepBeePakistan

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HomeMCQsBiology

MEDIUMENGLISHBiology

“lubb” sound is produced due to___________________?

Correct answer: B

Explanation

The 'lubb' sound is the first heart sound (S1), which occurs when the mitral and tricuspid valves close.

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