Best Test for intestinal malabsorption -: (A) D-xylose test, (B) NBT-PABATEST, (C) Fecal fatestimation, (D) Schilling test
Answer is A. D-xylose absorption test is a medical test performed to diagnose conditions that present with malabsorption of the proximal small intestine due to defects in the integrity of the gastrointestinal mucosa. D-xylose is a monosaccharide, or simple sugar, that does not require enzymes for digestion prior to absorption Ref Davidson edition23rd pg 809