A home nurse is planning care for a client who has Alzheimer's disease. Which of the following actions should the nurse include in the plan monitor?

A. Hemoglobin and hematocrit are important but not the focus in Alzheimer’s care unless anemia is suspected. B. Liver function tests are not typically monitored unless the client is on hepatotoxic medications. C. Kidney function tests are essential if there are concerns about hydration or medication clearance but are not routine in Alzheimer's care. D. Monitoring serum sodium and potassium is critical as imbalances can lead to confusion, agitation, and worsening cognitive symptoms.