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Podiatry and Medical - Set 1

Category - Podiatry Part I

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Which of the following is needed for vitamin B-12 absorption?

Pepsin
Trypsin
Intrinsic factor
Extrinsic factor

Explanation

Answer - C - Intrinsic factor is needed for vitamin B-12 absorption. Pernicious anemia is the inability of the small intestine to absorb vitamin B-12. Intrinsic factor is produced by the small intestine to absorb vitamin B-12 from the food. Lack of intrinsic factor causes vitamin B-12 deficiency.

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