GI Diagnostic Procedures and Endoscopy 2

Question 1

Which modality is the preferred first-line imaging for suspected acute appendicitis in adult patients in the US?

Accepted Answer

CT scan of the abdomen/pelvis with IV contrast

Answer

Plain abdominal X-ray

Answer

Ultrasound

Answer

MRI

Question 2

Endoscopic ultrasound (EUS) is the most accurate modality for staging which malignancy?

Accepted Answer

Esophageal and gastric cancer (T and N staging)

Answer

Hepatocellular carcinoma

Answer

Colon cancer

Answer

Small bowel adenocarcinoma

Question 3

The Alvarado score is a clinical scoring tool used to assess the probability of which GI condition?

Accepted Answer

Acute appendicitis

Answer

Acute cholecystitis

Answer

Acute pancreatitis

Answer

Bowel obstruction

Question 4

Fecal calprotectin is most useful for distinguishing which two conditions?

Accepted Answer

Inflammatory bowel disease vs. irritable bowel syndrome

Answer

Celiac disease vs. lactose intolerance

Answer

Colorectal cancer vs. diverticulitis

Answer

Hepatitis vs. cirrhosis

Question 5

Which test is the gold standard for diagnosing H. pylori infection in patients who have not taken PPIs or antibiotics recently?

Accepted Answer

Urea breath test

Answer

Serology (IgG antibody)

Answer

Stool antigen test

Answer

Rapid urease test (CLO test)

Question 6

The APACHE II score is used to assess severity and predict mortality in which GI condition?

Accepted Answer

Acute pancreatitis

Answer

Upper GI bleeding

Answer

Acute liver failure

Answer

Colorectal cancer staging