AMC MCQ Gastroenterology and Surgery 3

Question 1

A young woman has right iliac fossa pain, anorexia, and a positive Rovsing's sign. What is the most likely diagnosis?

Accepted Answer

Acute appendicitis

Answer

Migratory RIF pain with anorexia and Rovsing's sign is classic for acute appendicitis.

Question 2

Which type of inflammatory bowel disease characteristically shows transmural inflammation with skip lesions?

Accepted Answer

Crohn's disease

Answer

Crohn's disease causes transmural, discontinuous (skip) lesions anywhere from mouth to anus.

Question 3

A patient with long-standing GORD has columnar metaplasia on oesophageal biopsy. What is this condition?

Accepted Answer

Barrett's oesophagus

Answer

Barrett's oesophagus is columnar metaplasia of the distal oesophagus and a precursor to adenocarcinoma.

Question 4

Which organism is most strongly associated with peptic ulcer disease and gastric MALT lymphoma?

Accepted Answer

Helicobacter pylori

Answer

H. pylori infection underlies most peptic ulcers and is causally linked to gastric MALT lymphoma.

Question 5

A 60-year-old presents with altered bowel habit, iron-deficiency anaemia, and weight loss. What is the most important diagnosis to exclude?

Accepted Answer

Colorectal carcinoma

Answer

Change in bowel habit with iron-deficiency anaemia in an older adult mandates exclusion of colorectal cancer.

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