The second heart sound (dub) is associated with the closure of
Correct answer: B. Semilunar valves
- A. Tricuspid valve
- B. Semilunar valves
- C. Bicuspid valve
- D. Tricuspid valve and bicuspid valve
Explanation
The closure of the semilunar valves is associated with the second heart sound, which is also known as the dub. The semilunar valves are located at the base of the heart, where the heart's chambers connect to the aorta and pulmonary artery.
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