The function of papillary muscles is to:
Correct answer: B. Prevent the backward flow of blood from the ventricle
- A. Move blood from semilunar valve into pulmonary vein
- B. Prevent the backward flow of blood from the ventricle
- C. Push the blood from right atrium to left atrium
- D. Push the blood from left atrium to aorta
Explanation
The papillary muscles are muscles located in the ventricles of the heart. They attach to the cusps of the atrioventricular valves (also known as the mitral and tricuspid valves) via the chordae tendineae and contract to prevent inversion or prolapse of these valves on systole (or ventricular contraction).
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