A : Dub is a long and sharp sound.
R : It is caused by closing of atrio ventricular valves.

DUP is a long and sharp sound .It is caused by

Dub sound of heart is caused by

Assertion : LUBB (First Sound) is of shorter duration and sharp sound. Reason : It is created by the closure of the semiluar valves.

Assertion : LUBB (First Sound) is of shorter duration and sharp sound. Reason : It is created by the closure of the semiluar valves.

The heart sound dub is produced by closing of _____

Read the following statements carefully and select correct choice from below: (a) First heart sound lub is produced due to closure of atrioventricular valves, (b) First heart sound is of longer duration than second heart sound dub.

Read the following statements carefully and select correct choice from below: br (a) First heart sound lub is produced due to closure of atrioventricular valves, br (b) First heart sound is of longer duration than second heart sound dub.

The "lubb" sound (first heart sound) is caused by 1. filling of the ventricles 2. ventricular contraction 3. closing of the AV valves 4. closing of semilunar valves

Read the following statements and select the correct option. A. Damage to chordae tendinae of semilunar valves in aorta causes back flow of blood in left ventricle. B. Closure of atrio-ventricular valves during ventricular systole generates first heart sound.