A 36-month-old child weighing 20 kg (44 lb) is to receive ceftriaxone 2 g IV every 12 hours. The recommended dose of ceftriaxone is 50 to 75 mg/kg/day in divided doses. The nurse should: 1. Administer...

A 36-month-old child weighing 20 kg (44 lb) is to receive ceftriaxone 2 g IV every 12 hours. The recommended dose of ceftriaxone is 50 to 75 mg/kg/day in divided doses. The nurse should:

1. Administer the medication as prescribed.

2. Administer half the prescribed dose.

3. Call the laboratory to check the therapeutic serum level of ceftriaxone.

4. Withhold administering the ceftriaxone and notify the child's primary care provider.