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Which of the Following Is False Regarding the ?heart Alz Chordae Tendineae Anchor AV Valves .a to Papillary Muscles QRS Complex

Soru

Which of the following is false regarding the
?heart
alz
Chordae tendineae anchor AV valves .a
to papillary muscles
QRS complex corresponds to .b
ventricular depolarization and is
followed by ventricular contraction
Atrioventricular (AV) node delays the . C
impulse, giving the ventricles time to
contract
The second heart sound occurs when .d
semilunar (SL)valves close at the

Which of the following is false regarding the ?heart alz Chordae tendineae anchor AV valves .a to papillary muscles QRS complex corresponds to .b ventricular depolarization and is followed by ventricular contraction Atrioventricular (AV) node delays the . C impulse, giving the ventricles time to contract The second heart sound occurs when .d semilunar (SL)valves close at the

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The false statement regarding the heart is:d) The second heart sound occurs when semilunar (SL) valves close at the end of ventricular contraction.The second heart sound, also known as the "dub" sound, actually occurs when the semilunar valves (aortic and pulmonary valves) close at the beginning of ventricular relaxation, not at the end of ventricular contraction. This closure prevents the backflow of blood into the ventricles from the aorta and pulmonary artery.