KROK 1 2008 – Question 133 · KROK (Medicine) · Biological Chemistry
Surgical removal of a part of stomach resulted in disturbed absorption of vitamin B12, it is excreted with feces. The patient was diagnosed with anemia. What factor is necessary for absorption of this vitamin?
- A. Hydrochloric acid
- B. Folic acid
- C. Pepsin
- D. Gastrin
- E. Gastromucoprotein
Hint
Think about what the stomach supplies, besides acid and enzymes, that vitamin B12 needs in order to be taken up in the ileum, and what is lost when part of the stomach is removed.
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