45 Physiology MCQs

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What is the underlying cause of pernicious anemia in untreated gastrectomy patients?

A lack of vitamin B12 (cobalamin) in the diet

B lack of intrinsic factor secreted by gastric parietal cells

C lack of folate (folic acid) in the diet

D inability to absorb dietary iron

E reduced circulating levels of erythropoietin

Answer

Category: Physiology MCQs

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