Lub sound produced during heart beat is caused by

Question

Lub sound produced during heart beat is caused by (A) ventricular diastole (B) ventricular systole (C) atrial diastole (D) atrial systole

Tardigrade Admin · Accepted Answer

Lubb (S1, first sound, systolic sound) is the first heart sound which is louder or low pitched, of long duration (0.16-0.19 seconds) and is produced due to closure of atrioventricular valves (tricuspid and bicuspid) during ventricular systole.

Q. Lub sound produced during heart beat is caused by

ventricular diastole

ventricular systole

atrial diastole

atrial systole

Lubb ( $S_{1}$ , first sound, systolic sound) is the first heart sound which is louder or low pitched, of long duration ( $0.16 - 0.19$ seconds) and is produced due to closure of atrioventricular valves (tricuspid and bicuspid) during ventricular systole.

Q. Lub sound produced during heart beat is caused by

ventricular diastole

ventricular systole

atrial diastole

atrial systole

Lubb (S1​, first sound, systolic sound) is the first heart sound which is louder or low pitched, of long duration (0.16−0.19 seconds) and is produced due to closure of atrioventricular valves (tricuspid and bicuspid) during ventricular systole.

Lubb ( $S_{1}$ , first sound, systolic sound) is the first heart sound which is louder or low pitched, of long duration ( $0.16 - 0.19$ seconds) and is produced due to closure of atrioventricular valves (tricuspid and bicuspid) during ventricular systole.