A nurse is preparing to administer ceftazidime 40 mg/kg IV bolus every 8 hr to a school-age child who weighs 77 lb. Available is ceftazidime injection 40 mg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["35"]
Step by step calculation:
Calculating the total dose in mg:
Convert the child's weight to kg: 77 lb ÷ 2.2 lb/kg = 35 kg
Calculate the total dose: 35 kg × 40 mg/kg = 1400 mg
Calculating the volume to administer:
Use the concentration of the medication: 1400 mg ÷ 40 mg/mL = 35 mL
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Related Questions
Correct Answer is ["0.45"]
Explanation
Calculating the total dose in mg:
Convert the child's weight to kg: 74 lb ÷ 2.2 lb/kg = 33.64 kg
Calculate the total dose: 33.64 kg × 4 mcg/kg = 134.56 mcg
Converting mcg to mg:
1 mg = 1000 mcg
134.56 mcg ÷ 1000 mcg/mg = 0.13456 mg
Calculating the volume to administer:
Use the concentration of the medication: 0.13456 mg ÷ 0.3 mg/mL = 0.45 mL
Correct Answer is ["0.8"]
Explanation
Step by step calculation:
The desired dose of ketorolac is 12 mg.
The available concentration is 15 mg/mL.
Calculating the volume to administer:
Use the concentration of the medication: 12 mg ÷ 15 mg/mL = 0.8 mL
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