When Auscultating the Chest in an Adult,the Nurse Would

When auscultating the chest in an adult,the nurse would:

A) instruct the patient to take deep,rapid breaths.
B) instruct the patient to breathe in and out through the nose.
C) hold the diaphragm of the stethoscope firmly against the chest.
D) hold the bell of the stethoscope lightly against the chest to avoid friction.