A 90-year-old client is receiving 2 units of packed red blood cells. Furosemide (Lasix) 80 mg I.V. pyelography has been ordered after the first unit of blood has infused. The client asks a nurse why she is getting Lasix. The nurse's response should be based on the understanding that furosemide:

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Furosemide is a loop diuretic that acts on the kidneys to remove excess fluid and prevent circulatory overload, which can occur with blood transfusions in older adults. It does not prevent pulmonary emboli, lower blood pressure, or counteract transfusion-induced hypercalcemia.

A 90-Year-Old Client Is Receiving 2 Units of Packed Red