First slide

Circulatory Pathways

Question

If due to some injury, the chordae tendinae of the tricuspid valve of the human heart is partially non-functional, what will be the immediate effect?

Difficult

A

The flow of blood into the aorta will be slowed down.
B

The ‘pace maker’ will stop working .
C

The blood will tend to flow back into the left atrium.
D

The flow of blood into the pulmonary artery will be reduced.

Solution

Tricuspid valve is between right atrium and right ventricle and thus regulates the flow of deoxygenated blood. This blood is pumped from right ventricle to lungs through pulmonary arteries. Thus, when tricuspid valve is non-functional, blood flow into the pulmonary artery is affected.

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