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JB Metric System
Metric System Review
| Question | Answer |
|---|---|
| Metric System | There are three basic units |
| The basic unit of length | meter (m) |
| The basic unit of weight | Gram (Gm or g) |
| The basic unit of volume | liter (l) |
| kilo | 1000 times the basic unit |
| centi | one hundredth (0.01) of the basic unit |
| milli | one thousandth (0.001) of the basic unit |
| micro | one millionth (0.000001) of the basic unit |
| The units of the metric system most frequently encountered in medicine are as followed | Length (meter), weight (gram), volume (liter) |
| abbreviation for liter | l |
| abbreviation for meter | m |
| abbreviation for gram | Gr or g |
| centimeter = | 0.01 m (100cm equals 1 m) |
| millimeter = | 0.001 m (1000mm equals 1 m) |
| milliliter | 0.001 m (1000ml equals 1 m) |
| 1 ml is equivalent to | 1 cubic centimeter or cc |
| kilogram | 1000 Gm |
| milligram | 0.001 Gm (1000 mg = 1 Gm) |
| microgram (mcg) | 0.000001 Gm or 0.001 mg (1,000,000 mcg = 1Gm and 1000 mcg = 1 mg(1000 mg = 1 Gm) |
| 1 tsp | 5 ml |
| 1 tbsp | 15 ml or 3 tsp |
| cupful or glassful | 240 ml or 8 fl ounces |
| minim (m) | .06 ml (1 drop of water) |
| dram (dr) | 5 ml (1 tsp) |
| ounce (oz) | 30 ml (2 tbsp) |
| pint (pt) | 480 ml (16 ounces or 2 cups) |
| quart (qy) | 32 ounces (2 pints) |
| grain (gr) | exactly 64.8 mg (approx. 60-65 mg) |
| 1 meter | 39 inches |
| 1 inch | 2.5 cm |
| 1 gram | 15 gr |
| 1 pound | 454 Gm |
| 1 kg | 2.2 pounds |
| 1 ml | 16 minims |
| 1 minum | 0.06 ml |
| unit (u) | an amount of a drug possessing a defines amount of pharmacological activity (useful for drugs thatare not 100% pure) |
| milliequivelant (mEq) | a way of expressing the dose of electrolytes based on the number of atoms of an element desired |
| units of temperature | Celsius and Fahrenheit |
| 0 degree Celsius | freezing |
| 37 degree Celsius | Body temperature |
| 100 degree Celsius | Boiling |
| 121 degree Celsius | Thermal death (spores) |
| 32 degree Fahrenheit | freezing |
| 98.6 degree Fahrenheit | body temperature |
| 212 degree Fahrenheit | boiling |
| 250 degree Fahrenheit | thermal death (spores) |
| To convert Celsius to Fahrenheit | multiply Celsius by 9/5 and add 32 Formula (C times 9/5) + 32 = F |
| To convert Fahrenheit to Celsius, | subtract 32 from Fahrenheit an multiply by 5/9 Formula (F minus 32 times 9/5 = c |
Created by:
schxoxo
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