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calculations
common calculations for pharmacy tech exam
Question | Answer |
---|---|
celcius to farenheight | C(1.8)+32 |
farenheight to celcius | (F-32)/1.8 |
IV flow rate: calculate ml/time | total volume/total time |
IV flow rate: calculate gtt/min | total volume x dropfactor/total time (min) |
what is: Fried's Rule | to determine dosage for newborns to 2 years |
Fried's Rule = | age in months/150 x adult dose |
what is: Young's Rule | To determine dosage for children ages 1 to 12 |
Young's Rule = | age (in years)/age (in years) + 12 x normal adult dose |
what is: Clark's Rule | to determine dosage for children (2 & up) by weight |
Clark's Rule = | childs weight in lbs/150 lbs x adult dose |
convert lbs to kilograms | kg = lbs/2.2 |
convert kilograms to lbs | lbs = kg x 2.2 |
calculate v/t when gtt/time and dropfactor are known | gtt per time / drop factor |
computation of dose by body weight (when adult dose/kg is known) | total weight in kg x dose/kg = dosage |
dose by body weight for child (when adult dose/kg is known) | (total weight in kg x adult dose/kg) / 1.7 |