________ is the sound of blood flowing backward because of a defective heart valve
A) Vegetation
B) Stenosis
C) Arrhythmia
D) Murmur
D
Explanation: A) Vegetation is a structure, not a sound.
B) Stenosis is a narrowing, not a sound.
C) Arrhythmia is not a sound.
D) Correct!
Health & Biomechanics
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