Multiple Choice
Which function is done by the aortic valve?
A) preventing the backflow of blood into the aorta during ventricular diastole
B) preventing the backflow of blood into the left ventricle during ventricular diastole
C) preventing the backflow of blood into the right ventricle during ventricular diastole
D) closing when the first heart sound is heard
Correct Answer:

Verified
Correct Answer:
Verified
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