The Nurse Is Assessing a Patient's Heart and Believes a Pericardial

The nurse is assessing a patient's heart and believes a pericardial friction rub is present, but it is very faint. Which technique might help the nurse hear this sound more clearly?

A) Have the patient turn the head to the right.
B) Have the patient hold the breath while the nurse is listening.
C) Press the stethoscope tighter against the patient's skin.
D) Have the patient lean on the overbed table.