First slide

Circulatory Pathways

Question

If mitral valve suddenly becomes non-functional, what will be the immediate effect?

Moderate

A

The flow of blood into the pulmonary trunk will be slowed down
B

The blood will tend to flow back into the right atrium
C

The ventricles stop to beat
D

The flow of blood into the aorta will slow down

Solution

Mitral valve guards the left atrioventricular aperture and prevents the backflow of blood into the left atrium during ventricular systole. If it becomes non-functional, the flow of blood into the aorta will slow down.

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