During isovolumetric relaxation,
A) the AV and semilunar valves are open and ventricular pressure is decreasing.
B) the AV and semilunar valves are closed and ventricular pressure is decreasing.
C) the AV valves are open, the semilunar valves are closed, and ventricular pressure is decreasing.
D) the AV and semilunar valves are closed and ventricular pressure is increasing.
E) the AV and semilunar valves are open and ventricular pressure is increasing.

Question

Quizplus · Accepted Answer

During isovolumetric relaxation, both the atrioventricular (AV) and semilunar valves are closed, and ventricular pressure decreases as the ventricles relax but no blood is ejected because all valves are closed.

During Isovolumetric Relaxation