What does the S2 heart sound represent?
A) The beginning of systole
B) The closure of the aortic and pulmonic valves
C) The closure of the tricuspid and mitral valves
D) A split heart sound on exhalation

Question

Quizplus · Accepted Answer

The second heart sound is made by the closing of these valves, which indicates the beginning of diastole. The beginning of systole is the S1 heart sound. The tricuspid and mitral valves create the S1 heart sound. A split sound on exhalation is not a correct statement.

What Does the S2 Heart Sound Represent