Practice exercise (made-up values, not clinical guidance). A child weighs 33 lb. The prescription is cephalexin 50 mg/kg/day in 2 equal divided doses. Using 1 kg = 2.2 lb, find the dose D in mg given each time.
Pediatric & critical-care dosing worksheet with answers
Practice exercise (made-up values, not clinical guidance). A child weighing 20 kg is prescribed amoxicillin 40 mg/kg/day, divided every 12 hours. The oral suspension contains 250 mg in 5 mL. What volume V do you give per dose? Round to one decimal place.
Practice exercise (made-up values, not clinical guidance). A practice protocol calls for a heparin bolus of 70 units/kg for a patient who weighs 51 kg. The vial contains 5 000 units/mL. What volume V do you draw up? Round to two decimal places.
Practice exercise (made-up values, not clinical guidance). A practice protocol calls for a heparin bolus of 80 units/kg for a patient who weighs 109 kg. The vial contains 1 000 units/mL. What volume V do you draw up? Round to one decimal place.
Practice exercise (made-up values, not clinical guidance). A patient who weighs 93 kg has an order for norepinephrine at 4 mcg/min. The bag contains 8 mg in 250 mL. Find the pump rate R in mL/h. Round to one decimal place.
Practice exercise (made-up values, not clinical guidance). A dobutamine infusion of 500 mg in 250 mL runs at 31 mL/h. The patient weighs 85 kg. What dose D in mcg/kg/min is the patient receiving? Round to one decimal place.
Answer key
- 1. D = 375 mg
- 2. V = 8 mL
- 3. V = 0.71 mL
- 4. V = 8.7 mL
- 5. R = 7.5 mL/h
- 6. D = 12.2 mcg/kg/min
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