The heart sound ‘dup’ is produced when (a) mitral valve is closed (b) semi-lunar valves at the base of aorta get closed (c) tricuspid valve is opened (d) mitral valve is opened.

The heart sound ‘dup’ is produced when
(a) mitral valve is closed
(b) semi-lunar valves at the base of aorta get closed
(c) tricuspid valve is opened
(d) mitral valve is opened.
by

1 Answer

Answer :

b) semi-lunar valves at the base of aorta get closed
by

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