Urinary D-Xylose test is used for the the study of:: (A) Proximal small bowel mucosal function, (B) Distal small bowel mucosal function, (C) Proximal small bowel serosal function, (D) Distal small bowel serosal function
Answer is A. The urinary D-xylose test: Used for carbohydrate absorption Assesses proximal small-intestinal mucosal function. Ref: Harrison, E-18, P-2467.