Before Auscultating the Patient's Abdomen to Detect Bowel Sounds,the Nurse

Before auscultating the patient's abdomen to detect bowel sounds,the nurse will:

A) warm the endpiece of the stethoscope by placing it in warm water.
B) allow the patient to continue wearing the gown so that he or she does not become chilled during the examination.
C) make sure that the bell side of the stethoscope is turned to the "on" position.
D) check the temperature of the room and offer blankets to the patient if he or she feels cold.