Multiple choice

Heart murmur indicates a

  1. defective valve

  2. poor oxygenation

  3. dislocation of the heart

  4. improper development of muscles
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A Correct answer
Explanation

Heart murmurs are abnormal sounds caused by turbulent blood flow, most commonly due to defective heart valves (stenosis or regurgitation). The turbulence occurs as blood flows through abnormal valve openings. Poor oxygenation would cause cyanosis, not murmurs.

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