Pathology G.I.T. 622d4188 Duodenal villous atrophy is seen in A Crohn's disease B Ulcerative colitis C Celiac disease D Cystic fibrosis High-Yield Explanation Ans. (c) Celiac disease(Ref: R9/ 1782)D Xylose absorption test is a medical test to diagnose condition that cause malabsorption of proximal small intestine.