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VN 139 Med Math
Question | Answer |
---|---|
mary -- Kaye Hugs DUDe Clearly Making --Money | Mega-Kilo-Hecto-Deka-Deci-Centi-Milli-Micro; 1000,100,10,0.1,0.01,0.001,0.000001 |
1 oz | 30 mL |
1 tbs | 15 mL |
2 tbs | 1 oz |
1 tsp | 5 mL |
1 cup | 240 mL |
1 cup | 8 oz |
1 pint (pt) | 500 mL (16 oz) |
1 quart (qt) | 1000 mL (32 oz) |
15 grains (gr) | 1,000 mg = 1 gram (g) |
1 grain (gr) | 60 mg |
1 pound (lb) | 16 oz |
60 grains (gr) * | 1 dram |
8 drams * | 1 oz |
480 grains | 1 oz |
12 ounces | 1 lb |
1kg | 2.2 lb |
1. change min to mL | divide by 15 |
1. change mL to min | multiply by 15 |
2. change mL to oz | divide by 30 |
2. change oz to mL | multiply by 30 |
3. change oz to gm | multiply by 30 |
3. change gm to oz | divide by 30 |
4. change mg to gr | divide by 60 |
4. change gr to mg | multiply by 60 |
5. change gr to gm | divide by 15 |
5. change gm to gr | multiply by 15 |
6. change mg to gm | divide by 1000 or move decimal point 3 places to the left |
6. change gm to mg | multiply by 1000 or move the decimal point 3 places to the right |
IV gtt factors are usually? | 10, 15, 20, or 60 gtt/ml |
pediatric tubing gtt factor | 60 or 60 gtt/ml |
Gram (gm) | 1000 mg |
1000 gm | 1 kg |
1 ml | 1 cubic centimeter (cc) |
1000 ml | 1 L |
1 cc | 1 gm |
FYI - interchangeable | ml & cc |
gr I | 60 mg, 64 mg & 65 mg |
1 ml | 15 or 16 gtts |
gr v | 300 mg, 325 mg & 324 mg |
fraction 1/2 | ss |
Roman numerals | I,V,X,L,C,D,M 1,5,10,50,100,500,1000 |
adding/subtracting fractions | make sure you have the same denominator first! |
multiplying fractions | just multiply numerator then multiply denominator |
dividing fractions | flip the 2nd fraction first! then multiply |