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.

Question

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.

Quizplus · Accepted Answer

The Answer is D

Why Is Pernicious Anemia Treated with Injections of Vitamin B₁₂