Which of the following actions is done by the chordae tendineae?
A)keep the AV valves from closing during ventricular contraction
B)hold the AV valves open during diastole
C) hold the right and left ventricles together
D) transmit the electrical impulse from the atria to the ventricles

Question

Quizplus · Accepted Answer

The chordae tendineae are attached to the AV valves and the papillary muscles. When the ventricles contract, the papillary muscles pull on the chordae tendineae, which prevents the AV valves from closing and allows blood to flow out of the ventricles.

Which of the Following Actions Is Done by the Chordae