Question
Download Solution PDFHeart Dub sound originated from
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AIIMS BSc NURSING 2024 Memory-Based Paper
Answer (Detailed Solution Below)
Option 1 : closure of S.L.V.
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AIIMS BSc NURSING 2024 Memory-Based Paper
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Detailed Solution
Download Solution PDFThe correct answer is closure of S.L.V.
Explanation:
- The heart produces characteristic sounds, commonly referred to as the "lub-dub" sounds, which are crucial for diagnosing heart conditions.
- The "lub" sound, known as the first heart sound (S1), is produced by the closure of the atrioventricular (AV) valves, which include the mitral and tricuspid valves.
- The "dub" sound, known as the second heart sound (S2), is produced by the closure of the semilunar valves (SLV), which include the aortic and pulmonary valves.
Last updated on Jun 6, 2025
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