A nurse is caring for a patient with severe pernicious anemia.The nurse is aware that permanent damage can occur if the disease is not corrected within the next six months to a year.If treatment is unsuccessful, the nurse would expect permanent deficits to the:

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Pernicious anemia, if left untreated, can lead to irreversible damage to the nervous system. This is because the condition involves a deficiency in vitamin B12, which is crucial for the maintenance of healthy nerve cells and the production of DNA and RNA.

A Nurse Is Caring for a Patient with Severe Pernicious