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11807 Medicine

Which of the following statements regarding the schilling test for vitamin B12 malabsorption is most accurate?

AThe schilling test results are abnormal in patients with dietary vitamin B12 deficiency.
BIn patients with pernicious anemia, the results of the schilling test normalize after oral administration of intrinsic factor, (Correct Answer)
CIn patients with ileal disease, the results of the schilling test normalize after oral administration of intrinsic factor
DPancreatic exocrine insufficiency does not cause schilling test results to be abnormal.