Which valve opens due to ventricular systole?

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Question

(A) During ventricular systole,the pressure inside the ventricles increases significantly.This pressure rise causes the atrioventricular valves (Tricu

Vedclass · Accepted Answer

Semilunar valve

Vedclass · Answer

(A) During ventricular systole,the pressure inside the ventricles increases significantly.This pressure rise causes the atrioventricular valves (Tricuspid and Bicuspid) to close to prevent backflow of blood into the atria.Simultaneously,the high pressure forces the Semilunar valves (located at the base of the aorta and pulmonary artery) to open,allowing blood to be ejected from the ventricles into the systemic and pulmonary circulations.Therefore,the correct answer is the Semilunar valve.

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