Which of the following structures anchor(s)the cusps of the AV valves to the wall of the heart, to prevent regurgitation of blood?
A)Papillary muscles
B)Interventricular septum
C)Pectinate muscles
D)Endocardium
E)Trabeculae carneae

Question

Quizplus · Accepted Answer

Papillary muscles are small, cone-shaped muscles located in the walls of the ventricles of the heart. They attach to the cusps of the atrioventricular valves (AV valves) via the chordae tendineae, which prevents the valves from prolapsing or inverting into the atria during ventricular systole, and hence prevents regurgitation of blood.

Which of the Following Structures Anchor(s)the Cusps of the AV