Which of the events below does not occur when the semilunar valves are open?
A) Ventricles are in diastole.
B) Blood enters pulmonary arteries and the aorta.
C) AV valves are closed.
D) Ventricles are in systole.

Question

Quizplus · Accepted Answer

When the semilunar valves are open, blood enters the pulmonary arteries and the aorta which occurs during ventricular systole, not diastole. Therefore, the correct answer is A - ventricles are in diastole.

Which of the Events Below Does Not Occur When the Semilunar