During Auscultation of Breath Sounds,the Nurse Should Use the Stethoscope

During auscultation of breath sounds,the nurse should use the stethoscope correctly,in which of the following ways?

A) Listen to at least one full respiration in each location.
B) Listen as the patient inhales and then go to the next site during exhalation.
C) Have the patient breathe in and out rapidly while the nurse listens to the breath sounds.
D) If the patient is modest, listen to sounds over his or her clothing or hospital gown.