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Question

Which of the following would be the problem when mitral valve of human heart is ruptured?

A
During ventricular systole, oxygenated blood will go back to left atrium
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B
Oxygenated and deoxygenated blood will be mixed
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C
During atrial systole, blood will not be poured into left ventricle
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D
Oxygenated blood will come back to the right atrium
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Solution

The correct option is A During ventricular systole, oxygenated blood will go back to left atrium
The bicuspid or mitral valve is present between the left atrium and left ventricle and it permits the flow of oxygenated blood from the atrium to the ventricle. It also prevents the backflow of blood into the atrium. So, if the mitral valve ruptures, the oxygenated blood will go back to the left atrium.

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