A 52-year-old patient has a new diagnosis of pernicious anemia.The nurse determines that the patient understands the teaching about the disorder when the patient states,"I

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Because pernicious anemia prevents the absorption of vitamin B₁₂,this patient requires injections or intranasal administration of cobalamin.Alcohol use does not cause cobalamin deficiency.Proton pump inhibitors decrease the absorption of vitamin B₁₂.Eating more foods rich in vitamin B₁₂ is not helpful because the lack of intrinsic factor prevents absorption of the vitamin.

A 52-Year-Old Patient Has a New Diagnosis of Pernicious Anemia