Which one of the following is a matching pair | vedclass

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(A) The first heart sound is 'lubb',which is a long and booming sound created by the closure of the atrioventricular $(AV)$ valves (tricuspid and bicu

Vedclass · Accepted Answer

Lubb - Sharp closure of $AV$ valves at the beginning of ventricular systole

Vedclass · Answer

(A) The first heart sound is 'lubb',which is a long and booming sound created by the closure of the atrioventricular $(AV)$ valves (tricuspid and bicuspid) at the beginning of ventricular systole.The second heart sound is 'dup',which is a short and sharp sound produced by the closure of the semilunar valves at the beginning of ventricular diastole.Therefore,option $A$ is the correct matching pair.

Which one of the following is a matching pair?

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