Why Is Pernicious Anemia Treated with Injections of Vitamin B₁₂

question 5

Multiple Choice

Why is pernicious anemia treated with injections of vitamin B₁₂?

• A) An immune reaction in the stomach would destroy the vitamin.
• B) Digestive enzymes would destroy the vitamin.
• C) The vitamin irritates the gastric mucosa.
• D) The ingested vitamin would not be absorbed into the blood.

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