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If due to some injury the chordae tendin...

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

A

The flow of blood into the aorta will be slowed down

B

The pacemaker 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

Text Solution

Verified by Experts

The correct Answer is:
D
Chordae tendineae are cords that prevent the valve from collapsing back into the right atrium during powerful right ventricular contraction. When the right ventricle contracts forcing blood into the pulmonary artery, the tricuspid valve closes the aperture to the right atrium thereby preventing any backflow of blood. Thus, if chordae tendineare of tricuspid valve becomes partially non-functional, then the flow of blood into the pulmonary artery will be reduced.
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Knowledge Check

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

    A
    The flow of blood into the arota will be slowed down
    B
    The pacemaker will stop working
    C
    The blood will tend to flow back into the left atrium
    D
    The flow of blood into the pumonary artery will be reduced.

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

    A
    The flow of blood into the aorta will be slowed
    B
    The 'pace maker' will be 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

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

    A
    Heart beat would become irregular
    B
    Blood will tend to move back into the right atrium.
    C
    The flow of blood into the aorta will be slowed down.
    D
    The flow of blood into pulmonary artery will be reduced.

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