Which is the priority laboratory test that the postanesthesia care nurse should monitor closely for an older adult patient with renal disease who retained fluid during a surgical procedure?

Question

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For an older adult patient with renal disease who retained fluid during a surgical procedure, the priority laboratory test that the postanesthesia care nurse should monitor closely is the blood urea nitrogen (BUN) level. BUN measures the amount of nitrogen in the blood that comes from urea, a waste product of protein breakdown in the liver. In patients with renal disease, fluid retention can lead to increased nitrogen and urea in the blood, which can indicate renal dysfunction. Therefore, close monitoring of BUN levels is crucial in identifying and managing any postoperative complications related to renal function. Serum glucose, serum potassium, and prothrombin (PT) time are also important parameters to monitor in the postoperative period, but they are not the priority in this specific patient population.

Which Is the Priority Laboratory Test That the Postanesthesia Care