The Nurse Is Auscultating a Patient's Chest and Hears an Adventitious

The nurse is auscultating a patient's chest and hears an adventitious sound in the left lower lobe. What is the first step in determining whether this is an abnormality?

A) Have the physician listen and verify what the nurse is hearing.
B) Listen to the corresponding area in the patient's right lower lobe.
C) Call another nurse to listen to the patient's lungs.
D) Ask the patient if this has ever occurred in the past.