What is the etiology of pernicious anemia?

Name: What is the etiology of pernicious anemia?
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Question

Quizplus · Accepted Answer

Pernicious anemia is caused by a lack of intrinsic factor, which is necessary for the absorption of vitamin B12. The lack of intrinsic factor can be due to an autoimmune destruction of the parietal cells in the stomach, which are responsible for producing intrinsic factor. Therefore, option A (decreased intrinsic factor) is the correct answer.

What Is the Etiology of Pernicious Anemia