Question

Which heart sound is sharp short and caused by the sudden closure of semilunar valves

• A. First heart sound
• B. Second heart sound
• C. Third heart sound
• D. Fourth heart sound

Hint:

The second heart sound S2 marks the end of systole and is associated with the closing of the semilunar valves

Answer 1

The Correct Option is B

The second heart sound S2 is caused by the closure of the semilunar valves aortic and pulmonary at the end of systole It is sharp short and high-pitched