ACG Gastrointestinal Disease Diagnosis and Management 3

Question 1

What is the most common cause of acute liver failure (ALF) in the United States?

Accepted Answer

Acetaminophen toxicity

Answer

Hepatitis B viral infection

Answer

Autoimmune hepatitis

Answer

Ischemic hepatitis from cardiovascular collapse

Question 2

Charcot's triad of findings is classic for which biliary emergency?

Accepted Answer

Acute cholangitis

Answer

Acute cholecystitis

Answer

Biliary pancreatitis

Answer

Primary sclerosing cholangitis flare

Question 3

Which endoscopic finding on esophageal varices most strongly predicts imminent hemorrhage in a patient with portal hypertension?

Accepted Answer

Red wale signs on the varix surface

Answer

Variceal size greater than 5mm in diameter

Answer

Multiple varices involving the distal esophagus

Answer

Presence of gastric varices along the lesser curve

Question 4

What is the first-line treatment for mild-to-moderate active ulcerative colitis according to ACG guidelines?

Accepted Answer

Oral 5-aminosalicylic acid (5-ASA) with topical 5-ASA therapy

Answer

Oral prednisone at 40-60 mg/day

Answer

Intravenous infliximab induction

Answer

Oral metronidazole for 10-14 days

Question 5

Which medication class is most strongly associated as a trigger for microscopic colitis in older women presenting with chronic watery non-bloody diarrhea?

Accepted Answer

Proton pump inhibitors (PPIs) and NSAIDs

Answer

Calcium channel blockers and beta-blockers

Answer

ACE inhibitors and diuretics

Answer

Oral hypoglycemic agents and statins

Question 6

For a first recurrence of Clostridioides difficile infection (CDI), which agent is preferred by ACG guidelines over vancomycin?

Accepted Answer

Fidaxomicin for 10 days

Answer

Repeat metronidazole for 14 days

Answer

Rifaximin for 20 days

Answer

Fecal microbiota transplantation (FMT)

Question 7

According to ACG colonoscopy surveillance guidelines, what is the recommended follow-up interval after removal of 3-4 tubular adenomas each less than 10 mm with low-grade dysplasia?

Accepted Answer

3 years

Answer

1 year

Answer

5 years

Answer

10 years