What is occurring during ventricular ejection?
A) The AV valves are closed and the semilunar valves are open as blood is leaving the ventricles.
B) The AV valves are open and the semilunar valves are closed as blood is leaving the ventricles.
C) The AV and semilunar valves are closed as ventricular pressure is increasing.
D) The AV valves are open and the semilunar valves are closed as ventricular pressure is. increasing
E) The AV and semilunar valves are open as blood is leaving the ventricles.

Question

Quizplus · Accepted Answer

During ventricular ejection, the atrioventricular (AV) valves are closed to prevent backflow of blood into the atria, and the semilunar valves are open to allow blood to leave the ventricles and enter the aorta and pulmonary artery.

What Is Occurring During Ventricular Ejection