The small increase in ventricular pressure observed late in diastole is caused by
A) ventricular contraction.
B) atrial relaxation.
C) atrial contraction.
D) blood moving into the atria from vena cava.
E) ventricular relaxation.

Question

Quizplus · Accepted Answer

The small increase in ventricular pressure late in diastole is due to atrial contraction, which pushes additional blood into the ventricles, increasing their pressure right before systole.

The Small Increase in Ventricular Pressure Observed Late in Diastole