ATI RN
ATI Fundamentals Exam Special Unit ADN Questions
Extract:
Question 1 of 5
A nurse auscultates heart sounds. When the nurse hears S2, which valves is the nurse hearing close?
Correct Answer: D
Rationale: The correct answer is D: Aortic and Pulmonic. When the nurse hears S2 during auscultation, it indicates the closure of the aortic and pulmonic valves at the end of systole. This closure produces the second heart sound. The aortic valve closes first followed by the pulmonic valve. The closure of the mitral and tricuspid valves occurs during S1, the first heart sound.
Therefore, choices A, B, and C are incorrect as they involve the mitral valve, which is not associated with S2.
Question 2 of 5
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Question 3 of 5
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Question 4 of 5
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Question 5 of 5
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