MEASUREMENTS AND CONVERSIONS RATIO AND PROPORTIONS ...
[Pages:41]MEASUREMENTS AND CONVERSIONS RATIO AND PROPORTIONS PERCENTAGES DILUTIONS
Hertha Darezzo, CPhT Our Lady of Fatima Hospital CharterCARE Health Partners
I have no relevant financial relationships to disclose.
The best answer for pharmacy technicians is to......
"KEEP IT SIMPLE" Learn the basic "MEASUREMENTS" Use "RATIO and PROPORTION" DOUBLE CHECK your answers ASK if you aren't sure
As a pharmacy technician it is important to know basic measurements and conversions.
Examples:
1 teaspoonful (tsp)
=
1 tablespoonful (tbsp) =
1 fluid ounce (oz)
=
1 kilogram (kg)
=
1 tablespoon (tbsp) =
5 milliliters (mL) 15 milliliters (mL) 30 milliliters (mL) 2.2 pounds (lb) 3 teaspoons (tsps)
MOVE THE DECIMAL 3 PLACES FOLLOWING THE DIRECTION OF THE ARROWS
1 L 1000 mL
1 Kg 1000 g 1000000 mg 1000000000 mcg
PROBLEMS
4255 mL =
liters (L)
2.6 liters (L) =
mL
0.0375 g =
mg
8570 mcg =
grams
45 kg =
mg
0.00965 g =
mcg
50000 mg =
grams
ANSWERS
4.255 liters (L) 2600 mL 37.5 mg 0.00857 grams 45000000 mg 9650 mcg 50 grams
When solving ratio and proportion problems:
Always start with what you have or what you know.
The units across from each other in the equation must always be the same.
Cross multiply and divide.
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