The nurse is preparing to administer an aminoglycoside.
Which of the following laboratory test results should the nurse review before administering the medication?
1. serum electrolyte level and serum uric acid level
2. hemoglobin (Hgb) and white blood cell (WBC) count
3. serum ammonia level and serum glucose level
4. blood urea nitrogen (BUN) and serum creatinine