A nurse is planning care for an older adult client who has manifestations of dehydration. Which of the following interventions should the nurse include in the plan?

A. Offering oral fluids every 4 hours may not be frequent enough to effectively manage dehydration in an older adult. B. Checking urinary output every 4 hours is important to monitor hydration status and kidney function in a client with dehydration. C. Furosemide is a diuretic and would worsen dehydration, so it is contraindicated. D. Monitoring hemoglobin is not a priority intervention for dehydration management.