Q.

Which of the following does not occur during ventricular systole?

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a

Opening of semilunar valves

b

Closure of AV valves

c

Ventricular filling

d

Ventricular ejection

answer is D.

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Detailed Solution

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Ventricular filling begins in joint diastole. During diastole, the ventricles continue to relax and the pressure falls quickly. When ventricular pressure drops below atrial pressure, the AV valves open, and ventricular filling begins. 

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Which of the following does not occur during ventricular systole?