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

Question

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Pernicious anemia prevents the absorption of vitamin BB₁₂, and the patient requires injections or intranasal administration of cobalamin. Alcohol use does not cause cobalamin deficiency. Neurologic symptoms may not resolve with treatment. Eating more foods rich in BB₁₂ 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