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