(A) In the case of defective or damaged heart valves,their improper closure leads to the backflow or leakage of blood,which produces an abnormal sound

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(A) In the case of defective or damaged heart valves,their improper closure leads to the backflow or leakage of blood,which produces an abnormal sound referred to as a heart murmur.

Class 11 Biology Body Fluids and Circulations Structure and function of heart

Medium

$A$ heart murmur occurs due to a defect in:

A
Heart valves
B
$SA$ node
C
Bundle of $His$
D
Purkinje fibres

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Class 11 Questions

Class 11

Biology Questions

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Body Fluids and Circulations

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Structure and function of heart

How much of the total blood volume is present in the heart (in $\%$)?

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The opening of auricles and ventricles on the right side is guarded by

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Which of the following makes the heart wall thicker?

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$A$ : The first phase of ventricular filling is rapid and causes the $3^{rd}$ heart sound.
$R$ : It is because of auricular systole.

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The first heart sound occurs at:

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$A$ heart murmur occurs due to a defect in:

Similar Questions

How much of the total blood volume is present in the heart (in $\%$)?

The opening of auricles and ventricles on the right side is guarded by

Which of the following makes the heart wall thicker?

$A$ : The first phase of ventricular filling is rapid and causes the $3^{rd}$ heart sound.$R$ : It is because of auricular systole.

The first heart sound occurs at:

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$A$ : The first phase of ventricular filling is rapid and causes the $3^{rd}$ heart sound.
$R$ : It is because of auricular systole.