When does the aortic semilunar valve open?
A)when ventricular pressure exceeds aortic pressure
B)at the start of systole
C) at the maximum ventricular pressure
D) immediately after atrial contraction

Question

Quizplus · Accepted Answer

The aortic semilunar valve opens when ventricular pressure exceeds aortic pressure. This typically occurs at the beginning of systole, when the ventricles contract and push blood out of the heart and into the aorta.

When Does the Aortic Semilunar Valve Open