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What is Test for assessment of mucosal function of GIT: and explain in detail?
Answer is A (D-xylose test): D-xylose is a carbohydrate that is absorbed almost exclusively in the proximal small bowel without the help of pancreatic enzymes. A positive D-xylose test indicates malabsorption due to intestinal mucosal disease and thus be used as a test for assessment of mucosa! function. D- Xylose Test D-Xylose is a carbohydratedeg that is absorbed completely in small bowel without the help of pancreatic enzymes and excreted unchanged in urine D- Xylose absorption test is used to distinguish malabsorption due to pancreatic disease from malabsorption due to intestinal mucosal disease D-Xylose is absorbed almost exclusively in the proximal small bowel (duodenum and jejunum), and a positive test primarily reflects a duodenal /Jejunal mucosal disease