Some medicines are dosed on a mg/kg basis. As Christmas is approaching, here is a selection of holiday-themed calculations to keep you on top of your game this festive season. These use the same mathematical skills that are needed to calculate the total dose based on mg/kg.
QUESTION 1
Your turkey instructions advise you to cook the bird for 40 minutes per kg plus 20 minutes.
Calculate the cooking time for a turkey that weighs:
- 3 kg
- 4 kg
- 4.5 kg
- 5 kg
QUESTION 2
You are visiting relatives over Christmas who live 120 miles away.
Calculate the journey time if you travel at an average speed of:
- 30 mph
- 40 mph
- 60 mph
- 90 mph (eg by train!)
NOW TRY SOME MEDICINE CALCULATIONS:
QUESTION 3
Calculate the daily amount (in mg) of Drug A for a child weighing 15 kg if the prescribed dose is 1mg/kg daily.
QUESTION 4
Calculate how many mg of drug your patient will receive if you prescribe a dose of 2 mg/kg. Your patient weighs 70 kg.
QUESTION 5
What is the total daily amount of drug taken if the prescribed dose is 2.5 mg/kg three times a day? Your patient weighs 50 kg.
QUESTION 6
What is the total daily amount of drug taken if the prescribed dose is 5 mg/kg twice a day? Your patient weighs 60 kg.