Best NCLEX-PN Practice Questions Practice Question
The nurse is caring for the child who has a virulent infection. The HCP prescribes cefazolin sodium IV 50 mg every 6 hours. The Pediatric Dosage Handbook states the safe range of cefazolin is 6.25 to 25 mg per kg per day. The child weighs 18 lb. What is the most appropriate action by the nurse?
Correct Answer: C
Rationale: Convert 18 lb to kg: 18 ÷ 2.2 = 8.18 kg. Safe range: 6.25 - 25 mg/kg/day = 51.13 - 204.5 mg/day. Prescribed dose: 50 mg x 4 = 200 mg/day, which is within the safe range.
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