While Examining a Patient,the Nurse Observes Abdominal Pulsations Between the Xiphoid

While examining a patient,the nurse observes abdominal pulsations between the xiphoid process and umbilicus.The nurse would suspect that these are:

A) Pulsations of the renal arteries.
B) Pulsations of the inferior vena cava.
C) Normal abdominal aortic pulsations.
D) Increased peristalsis from a bowel obstruction.