The dicrotic notch in the aortic pressure curve is due to the
A) increase in intraventricular pressure during ejection.
B) backflow of blood toward the ventricles.
C) closure of the left AV valve.
D) elasticity of the arterial wall.
E) closure of the semilunar valves.

Question

Quizplus · Accepted Answer

Backflow of blood toward the ventricles causes the dicrotic notch in the aortic pressure curve.

The Dicrotic Notch in the Aortic Pressure Curve Is Due