A third heart sound is created by:
A) atrial contraction.
B) ventricular contraction.
C) diastolic filling.
D) regurgitation between the right and left ventricles.

Question

Quizplus · Accepted Answer

Diastole is a relatively passive interval until ventricular filling is almost complete. Diastole occurs when the ventricle is filling with blood from the atria; the filling sometimes produces a third heart sound, S₃.

A Third Heart Sound Is Created By