A nurse is preparing to administer clindamycin 10 mg/kg IM to a school-age child who weighs 77 lb. Available is clindamycin injection 150 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["2.3"]
Step-by-step calculation:
The child's weight is 77 lb.
The medication dosage is 10 mg/kg.
The available medication concentration is 150 mg/mL.
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 × 10 mg/kg = 350 mg
Calculating the volume to administer:
Use the concentration of the medication: 350 mg ÷ 150 mg/mL = 2.33 mL
Rounding the answer:
2.33 rounds to 2.3 mL
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Related Questions
Correct Answer is ["3.9"]
Explanation
Let's break down the calculation step by step:
Understanding the information:
The child's weight is 26 lb.
The medication dosage is 2 mg/kg/day.
The available medication concentration is 15 mg/5 mL.
The medication is to be divided into two equal doses per day.
Calculating the total dose per day in mg:
Convert the child's weight to kg:
26 lb ÷ 2.2 lb/kg = 11.82 kg
Calculate the total dose per day:
11.82 kg × 2 mg/kg/day = 23.64 mg/day
Calculating the dose per dose:
Divide total dose by 2: 23.64 mg/day ÷ 2 doses/day = 11.82 mg/dose
Calculating the volume to administer per dose:
Use the concentration of the medication: 11.82 mg ÷ (15 mg/5 mL) = 11.82 mg ÷ 3 mg/mL = 3.94 mL
Rounding the answer:
3.94 rounds to 3.9 mL
Correct Answer is ["15"]
Explanation
Step-by-step calculation:
The child's weight is 55 lb.
The medication dosage is 15 mg/kg.
The available medication concentration is 125 mg/5 mL.
Calculating the total dose in mg:
Convert the child's weight to kg: 55 lb ÷ 2.2 lb/kg = 25 kg
Calculate the total dose: 25 kg × 15 mg/kg = 375 mg
Calculating the volume to administer:
Use the concentration of the medication: 375 mg ÷ (125 mg/5 mL) = 375 mg ÷ 25 mg/mL = 15 mL
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