Ejection of blood from the right ventricle will continue until
A) pressure in the aorta is less than pressure in the right ventricle.
B) pressure in the pulmonary artery is greater than pressure in the right ventricle.
C) pressure in the pulmonary artery is less than pressure in the right ventricle.
D) the pulmonary semilunar valve contracts, inducing closure.
E) pressure in the aorta is greater than pressure in the right ventricle.

Question

Quizplus · Accepted Answer

Ejection of blood from the right ventricle into the pulmonary artery continues until the pressure in the pulmonary artery exceeds the pressure in the right ventricle. This causes the pulmonary valve to close, preventing backflow of blood into the ventricle.

Ejection of Blood from the Right Ventricle Will Continue Until