Moderate
Pernicious anaemia occurs in___________?
Correct answer: B. Vit B12 deficiency
- A. Vit B1 deficiency
- B. Vit B12 deficiency
- C. Vit C deficiency
- D. Vit D deficiency
Explanation
Pernicious anaemia results from impaired absorption of vitamin B12, usually because intrinsic factor is absent or defective. Deficiencies of B1, C and D cause different disorders.
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