Which of the following laboratory values would be most important for the nurse to monitor in the client receiving intravenous acyclovir (Zovirax)? 1. White blood cell count 2. Serum creatinine 3....

Which of the following laboratory values would be most important for the nurse to monitor in the client receiving intravenous acyclovir (Zovirax)?

1. White blood cell count

2. Serum creatinine

3. Sodium and potassium levels

4. Platelets and coagulation studies