03-27-2007, 02:03 PM
A 68year-old man has severe atherosclerotic disease of the abdominal aorta that obstructs the ostia of the superior and inferior mesenteric arteries. He has intermittent episodes of abdominal pain and bloody diarrhea. Which of the following regions of the bowel is likely to be most severely affected?
A) Ascending colon
B) Descending colon
C) Hepatic flexure
D) Splenic flexure
E) Transverse colon
A) Ascending colon
B) Descending colon
C) Hepatic flexure
D) Splenic flexure
E) Transverse colon