MCQ Flashcards

Which classification system grades esophagitis severity during upper endoscopy?

Answer: Los Angeles classification

The Los Angeles classification grades reflux esophagitis from A (mild) to D (severe).

A patient with primary sclerosing cholangitis undergoes ERCP. What associated condition should the team know about?

Answer: Ulcerative colitis

PSC is strongly associated with ulcerative colitis, occurring in 70-80% of PSC patients.

What is the therapeutic mechanism of endoscopic variceal band ligation?

Answer: Mechanical strangulation with elastic bands causing thrombosis and fibrosis

Elastic bands mechanically strangulate varices, causing thrombosis, ischemic necrosis, and fibrosis.

Which scoring system assesses mortality risk from upper GI bleeding after endoscopy?

Answer: Complete Rockall Score

The complete Rockall score incorporates clinical parameters and endoscopic findings to assess rebleeding and mortality risk.

What is the recommended recovery position after upper endoscopy to minimize aspiration risk?

Answer: Left lateral decubitus with head slightly elevated

Left lateral position with slight head elevation directs secretions away from the airway.

Celiac disease is diagnosed by the combination of which findings?

Answer: Elevated tissue transglutaminase antibodies and duodenal biopsy showing villous atrophy

Diagnosis requires elevated tTG-IgA antibodies confirmed by duodenal biopsies showing villous atrophy, crypt hyperplasia, and intraepithelial lymphocytosis.