During which phase of the cardiac cycle does ventricular filling begin?
A) Systole
B) Diastole
C) Refractory
D) Absolute refractory

Question

Quizplus · Accepted Answer

Ventricular filling begins during diastole, which is the phase where the ventricles are relaxed and the atria contract to fill them with blood. Systole is the phase where the ventricles contract to pump blood out of the heart. Refractory and absolute refractory are not phases of the cardiac cycle.

During Which Phase of the Cardiac Cycle Does Ventricular Filling