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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Definitions:

Mutualistic

A type of symbiotic relationship where both organisms involved benefit from their interaction.

Myxoma Virus

A leporipoxvirus that causes myxomatosis, a disease in rabbits and hares characterized by skin tumors and often leads to death.

Virulent

Characterized by a high degree of pathogenicity; capable of causing disease.

Transmission

The process of transferring something from one place, person, or organism to another, used in various contexts including genetics and infectious diseases.