Practice exercise (made-up values, not clinical guidance). A child weighs 44 lb. The prescription is cephalexin 50 mg/kg/day in 4 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 6 kg is prescribed azithromycin 10 mg/kg/day, divided every 24 hours. The oral suspension contains 200 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). An infusion of 100 units of regular insulin in 250 mL runs at 4 mL/h. How many units per hour D does the patient receive?
Practice exercise (made-up values, not clinical guidance). A practice protocol calls for a heparin bolus of 60 units/kg for a patient who weighs 102 kg. The vial contains 5 000 units/mL. What volume V do you draw up? Round to one decimal place.
Practice exercise (made-up values, not clinical guidance). A bag contains dobutamine 250 mg in 250 mL. The order is 2.5 mcg/kg/min for a patient who weighs 82 kg. At what rate R do you set the pump, in mL/h? Round to one decimal place.
Practice exercise (made-up values, not clinical guidance). A patient who weighs 80 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.
Answer key
- 1. D = 250 mg
- 2. V = 1.5 mL
- 3. D = 1.6 units/h
- 4. V = 1.2 mL
- 5. R = 12.3 mL/h
- 6. R = 7.5 mL/h
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