Multiple Choice
When the ventricles relax,the __________ valve prevents backflow of blood into the left ventricle.
A) aortic
B) pulmonary
C) mitral
D) left AV
E) right AV
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q65: Which of the following directly stems from
Q66: The _ are the superior chambers of
Q67: The ventricles are almost empty at the
Q68: The plateau in the action potential of
Q69: The systemic circuit contains oxygen-rich blood only.
Q70: Parasympathetic stimulation reduces heart rate.
Q73: Endurance athletes commonly have a resting heart
Q75: The volume of blood ejected by each
Q88: Which of the following is a feature
Q93: After entering the right atrium, the furthest