Pernicious anaemia is associated with the deficiency of________________?
Correct answer: D. Vitamin B12
- A. Folic acid
- B. Vitamin B1
- C. Vitamin B6
- D. Vitamin B12
Explanation
Pernicious anaemia results from autoimmune loss of intrinsic factor, causing impaired absorption of vitamin B12 in the terminal ileum. Folate deficiency can also cause megaloblastic anaemia but is not the cause of pernicious anaemia.
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