Auscultating the heart sounds should result in a "lubb-dupp" sound when using the bell and the diaphragm of the stethoscope.The "lubb" sound is caused by the:
A) opening of the AV valves.
B) opening of the semilunar valves.
C) closing of the AV valves.
D) closing of the semilunar valves.

Question

Quizplus · Accepted Answer

The "lubb-dupp" sound of the heart is caused by the closing of the AV and semilunar valves,respectively.

Auscultating the Heart Sounds Should Result in a "Lubb-Dupp" Sound