CGRN MCQ 2

Question 1

Which portion of the colon is most commonly affected by ischemic colitis?

Accepted Answer

Splenic flexure (watershed area)

Answer

Cecum

Answer

Rectum

Answer

Ascending colon

Question 2

A patient with cirrhosis develops spontaneous bacterial peritonitis. What is the most common causative agent?

Accepted Answer

Escherichia coli

Answer

Staphylococcus aureus

Answer

Bacteroides fragilis

Answer

Clostridium perfringens

Question 3

Which serum marker is most useful for monitoring ulcerative colitis disease activity?

Accepted Answer

Fecal calprotectin

Answer

CEA

Answer

Alpha-fetoprotein

Answer

CA 19-9

Question 4

What is the initial management for acute esophageal food bolus impaction?

Accepted Answer

IV glucagon trial, then flexible endoscopy if unsuccessful

Answer

Emergent surgery

Answer

Observation for 72 hours

Answer

Barium swallow to localize

Question 5

A 4 cm smooth submucosal mass is found in the stomach incidentally. What is the most likely diagnosis?

Accepted Answer

Gastrointestinal stromal tumor (GIST)

Answer

Adenocarcinoma

Answer

Hyperplastic polyp

Answer

Lipoma

Question 6

What is the most common cause of acute pancreatitis?

Accepted Answer

Gallstones

Answer

Alcohol consumption

Answer

Hypertriglyceridemia

Answer

Medications