What is the most effective treatment for PA?

Name: What is the most effective treatment for PA?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

PA is a deficiency of vitamin B₁₂ (not folate)because of a lack of IF,which is required for absorption.The vitamin is usually administered by injection through muscle.Because IF deficiency is the actual defect,taking vitamin B₁₂ orally will be of no benefit because it cannot be absorbed.Administering it by injection bypasses the need for absorption.

What Is the Most Effective Treatment for PA