During Physical Examination of a Thin 72-Year-Old Patient, the Nurse

During physical examination of a thin 72-year-old patient, the nurse observes pulsation of the abdominal aorta in the epigastric area just below the xiphoid process. The nurse teaches the patient that this is

A) a normal assessment finding for a thin individual.
B) likely to be caused by age-related sclerosis and inelasticity of the aorta.
C) an indication that an abdominal aortic aneurysm has probably developed.
D) evidence of elevated systemic arterial pressure.