Vit B12 is absorbed in the_____________?
Correct answer: B. Terminal ileum
- A. Stomach
- B. Terminal ileum
- C. Lower jejunum
- D. Proximal ileum
Explanation
Vitamin B12 binds intrinsic factor in the stomach and is absorbed as the complex in the terminal ileum. Removal or disease of this region can therefore produce B12 deficiency.
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