Which one of the following is not a cause of vitamin B12 deficiency?
Correct Answer: Resection of ascending colon.
Description: - Vit B12 is absorbed from ileum; hence resection of ascending colon has nothing to do with Vit B12 deficiency - Vit B12 deficiency is caused d/t: | Intake | Absorption - d/t decreased intrinsic factor, pancreatic & ileal diseases, fish tape worm infection | Requirement - as in children, pregnancy, lactation, blind loop syndrome
Category:
Pathology
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