Second heart sound is associated with the

Lub - closure of semilunar valves

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Lub - closure of tricuspid and bicuspid valves

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Dupp - closure of tricuspid and bicuspid valves

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Dupp - closure of semilunar valves.

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Solution

The correct option is B Dupp - closure of semilunar valves.
D. Dupp - closure of semilunar valves
EXPLANATION: Second heart sound is produced by the closure of semilunar valves. Pulmonary valve and aortic valve are the examples of semilunar valve. They are present between the ventricles and their corresponding aorta and pulmonary veins. Semilunar valve helps to regulate the blood flow.

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Similar questions

The second heart sound (dubb) is associated with the closure of ?
(a) tricuspid valve
(b) semilunar valve
(c) bicuspid valve
(d) tricuspid and bicuspid valve

Heart sounds are produced due to
(a) Closure of tricuspid and bicuspid valves
(b) Rushing of blood through valves producing turbulence
(c) Closure of atrioventricular and semilunar valves
(d) Entry of blood into auricles

Q. Time interval between the closure of semilunar valve and closure of AV valve is?

Q. The time interval between the closure of semilunar valve and the closure of AV valve is _____________.

Q. What is the duration between the closure of atrioventricular valves that is lubb and closure of semilunar valves that is dubb?

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