When auscultating heart sounds, the nurse asks the patient to lie on the left side, then sit up and lean forward. Why is the patient asked to move into these positions?
A. Use of the stethoscope diaphragm improves auscultation of high-pitched murmurs.
B. Use of the bell side of the stethoscope allows low-pitched sounds to be readily identified.
C. They diminish the effect of respiratory sounds during auscultation.
D. The heart is closer to the chest wall.
Answer: D
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