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Math
types of pharmacy math and when to use it
Question | Answer |
---|---|
Liter | know as l or L. 1 Liter= 10 deciliters =1000 milliliters |
Deciliter | know as dl 1 deciliter (dl))= 0.1 liters =100 milliliters |
Milliliter | know as ml 1 milliliter=0.001 liters = .01 deciliters |
kilogram | known as kg 1 kilogram = 1000 grams |
gram | known as g 1g =0.001 kilograms |
Milligram | mg 1 milligram =.oo1 grams |
microgram | mcg 1 mcg = 0.001 mg= 0.000001g |
pound | know as lb 1 pound = 160z |
ounce | know as oz 1 ounce = 16 |
grain | know as gr 1 grain = 64.8 millligrams |
gallon | know as gal 1 gallon = 4 quarts |
quart | also know as qt 1 quart = 2 pints |
pint | also know as pt 1 pint =16 fluid ounces |
ounce | also know as oz or fl oz 1 fluid ounce = 8 fluid drams |
fluid dram | also know as fl dr 1 fluid dram=60 minim |
Mininm | Min or Mx |
Teaspoon | also know as tsp 1 teaspoon =5 milliters |
tablespoon | also know as tbsp 1 tablespoon=3 teaspoons =15 milliliters |
cup | short enough to stay a cup 1 cup = 8 fluid ounces |
Liter | also know as l or L 1l= 33.8 fl oz |
fluid ounces | also know as fl oz 1 fl oz = 29.57 ml |
gram | also know as g 1g = 15.43 gr |
teaspoon | tsp 1 tsp= 5 ml |
pint | pt 1 pt = 473.167 mL |
kilogram | kg 1 kg = 2.2 Lb |
ounce | oz 1 oz = 28.35 g |
grain | gr 1 gr = 64.8 mg |
1 tbsp | 15 mL |
microgram | mcg |
Liter | l or L |
Milliliter | ml |
gram | g |
milligram | mg |
kilogram | kg |
1 kg | 1,000 g (when lowering on the ladder, multiply by ten per step.) |
1 mg | 1,000 mcg |
2 gr | 129.6 mg |
1 L | 1,000 mL |
1 ml | 0,001 L (when going higher on the ladder, divide by 10 per step) |
1 mg | 0.001 g (it went up the ladder) |
If 450 mL of H2O is added to 200mL of a 40% solution, what's the resulting strength? | 40g(40%)/(divided)100mL=X(variable)/(divided)200mL+450mL 40 multiply by 200 and divide that answer by 100. 80/200+450mL=80/650=0.12307 round up to the nearest thousandth and turn into a percentage. 12.3 % |