Pernicious anaemia develops from a deficiency of which of the following?

Question

Quizplus · Accepted Answer

Pernicious anaemia is caused by the deficiency of the intrinsic factor, a protein produced by the stomach that is necessary for the absorption of vitamin B12 in the small intestine. Without the intrinsic factor, vitamin B12 deficiency develops, leading to anaemia and other neurological symptoms. ATP, carbonic anhydrase, and gastrin hormone do not play a role in the development of pernicious anaemia.

Pernicious Anaemia Develops from a Deficiency of Which of the Following