PN 106 Pediatric Math Practice
A child weighs 52 lbs. The child has a fever and the doctor orders Tylenol. The safe dose range of this medication is 10-15 mg/kg every 6 hours. What is the maximum safe dose this child can have per day?
(mg/day) 52lbs/1 * 1kg/2.2lbs * 15mg every 6 hrs/1kg = 720/2.2 = 354.5mg every 6 hours. 354.5mg * 24hr = 8508mg/6hr = 1418mg/day
Doctor orders Benadryl for a child that weighs 98 lbs. The safe dose range for Benadryl is 5 mg/kg/day. What is the safe dosage for this child?
(mg/day) 98lbs/1 * 1kg/2.2lbs * 5mg per day/1kg = 490/2.2 = 222.7mg per day.
A child weighs 52 lbs. The child has a fever and the doctor orders Tylenol. The safe dose range of this medication is 10-15 mg/kg every 6 hours. What is the maximum safe dose this child can have per day?
1,148 mg/day
Doctor orders 200 mg of Ibuprofen every 8 hrs. The child weighs 49 lbs. The safe dosage range for this medication is 5-10 mg/kg/dose. What is the safe dosage range for this particular child?
111.4-222.7 mg/dose
Doctor orders Digoxin 0.92 mg daily for a child that weighs 16 lbs. The safe dosage for this medication is 8-12 mcg/kg/day. Is this a safe dosage for this child
16lbs/1 * 1kg/2.2lbs * 8mcg/kg * 1mg/1000mcg = 128/2200 = 0.06mg/day 16lbs/1 * 1kg/2.2lbs * 12mcg/kg * 1mg/1000mcg = 192/2200 = 0.09mg/day Not a safe dose
Doctor orders an IV drip of Dopamine for a child that weighs 78 lbs. The safe dosage range for this medication is 5-20 mcg/kg/min. What is the safe dosage range for this child?
177.3-709.1 mcg/min
Doctor orders Benadryl for a child that weighs 98 lbs. The safe dose range for Benadryl is 5 mg/kg/day. What is the safe dosage for this child?
222.7 mg/day
Doctor orders Zithromax for a child that weighs 82 lbs. The safe dose range for this medication is 10-12 mg/kg/day. What is the maximum safe daily dose for this child?
447.3 mg/day
Doctor orders Amoxil for a child that weighs 63 lbs. The safe dosage range for this medication is 50 mg/kg/day every 8 hours. What is the safe dose for this child per dose?
477.3 mg/dose
Doctor orders 200 mg of Ibuprofen every 8 hrs. The child weighs 49 lbs. The safe dosage range for this medication is 5-10 mg/kg/dose. What is the safe dosage range for this particular child? Is this a safe dose for this child?
49lbs/1 * 1kg/2.2lbs * 5mg/kg = 245/2.2 = 111.4mg/dose 49lbs/1 * 1kg/2.2lbs * 10mg/kg = 490/2.2 = 222.7mg/dose Yes, safe dose.
Doctor orders Digoxin 0.92 mg daily for a child that weighs 16 lbs. The safe dosage for this medication is 8-12 mcg/kg/day. Is this a safe dosage for this child?
No, this is not a safe dose. A safe dose is 0.06-0.09 mg/day.
Doctor orders 300 mg of Zmax once a day for a child that weighs 72 lbs. The safe dose range for this medication is 10-12 mg/kg/day. Is this a safe dose for this patient?
No, this is not a safe dose. A safe dose is 327.3-392.7 mg/day.
Doctor order Cefazolin 350 mg IV every 4 hours. The child weighs 31 lbs. The safe dosage range for this medication is 25-75 mg/kg/day. Is this a safe dose for this patient?
No, this is not a safe dose. A safe dose would be 58.7-176.1 mg/dose.
Doctor orders Zofran 2 mg for a child that weighs 13.6 kg. The safe dosage of this drug is 0.15 mg/kg. Is this a safe dose?
Yes, this is a safe dose.
