Gastrointestinal: Liver Disease, IBD · USMLE Step 1

A young man presents with watery diarrhea and villous atrophy on biopsy. Symptoms improve with gluten avoidance. Which antibody is most specific?

  1. Anti-gliadin
  2. Anti-TTG
  3. ANA
  4. p-ANCA
Show answer and explanation

Correct answer: Anti-TTG

Anti–tissue transglutaminase antibodies are highly specific for celiac disease.

Difficulty: Medium Question 17 of 20

Practice all 20 Gastrointestinal: Liver Disease, IBD questions

Keep practicing

More Gastrointestinal: Liver Disease, IBD questions