The nurse places highest priority on assessing the results of which of the following laboratory studies drawn on a client receiving losartan (Cozaar)?

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Losartan (Cozaar) is an angiotensin II receptor antagonist used to treat hypertension and heart failure. The medication can cause hyperkalemia (elevated serum potassium levels) as a side effect, so it is crucial for the nurse to monitor serum potassium levels of the client receiving losartan. Creatinine levels should also be monitored to assess for any changes in renal function. Serum sodium, calcium, phosphorus, magnesium, and uric acid levels are not directly affected by losartan therapy.

The Nurse Places Highest Priority on Assessing the Results of Which