Heart sound dub is caused due to closing of

Question

Heart sound dub is caused due to closing of (A) valve (B) tricuspid valve (C) semilunar valve (D) None of the above

Tardigrade Admin · Accepted Answer

'Dup' (a second heart sound) occurred by closing the semilunar valve when high pressure developed in aorta and pulmonary artery tends to force some blood back towards the ventricle.

Q. Heart sound dub is caused due to closing of

valve

tricuspid valve

semilunar valve

None of the above

'Dup' (a second heart sound) occurred by closing the semilunar valve when high pressure developed in aorta and pulmonary artery tends to force some blood back towards the ventricle.