Q. Heart sound ‘dup’ is caused due to closing of

A) Valve
B) Tricuspid valve
C) Semilunar valve
D) None of the above
Explanation

‘Dup’ (a second heart sound) occurred by closing the semilunar valve.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.