USMLE Step 1

Question of the Day!
A patient arrives via ambulance to the emergency department. He has been stabbed in the stomach nine times. During surgery, the Doctor finds that the superior mesenteric artery was completely severed. Which of the following is most likely to be affected?

A) Liver
B) Pancreas
C) Duodenum
D) Gallbladder
E) Lower 1/3 Esophagus



Check back tomorrow to see if you got it right!

Yesterday's answer:
D) HLA B27. This man has Ulcerative Colitis. UC is an inflammatory bowel disease that begins at the rectum and descending colon. Characteristics include crypt abscesses, pseudopolyps, lead pipe colon, and a high risk of colon cancer and toxic megacolon. Clinically there is a lot of blood (from ulcers) and only mild pain. There is an association between UC and human leukocyte antigen (HLA) B27. Answers A, B, & E are characteristics of Crohn’s disease, the other inflammatory bowel disease.