Vitamin B₁₂ Deficiency Can Result in a Macrocytic, Megaloblastic Anemia

question 27

Multiple Choice

Vitamin B₁₂ deficiency can result in a macrocytic, megaloblastic anemia. This is because

• A) vitamin B₁₂ is directly required for red blood cell production.
• B) vitamin B₁₂ deficiency produces a secondary folate deficiency.
• C) of an autoimmune attack on stomach cells producing intrinsic factor.

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