Systems of Measurement and Conversions Flashcards
(38 cards)
1 qt = ___ pt
2 pt
1 pt = ____ cups
2 cups
1 cup = ____ fl oz
8 fl oz
1 fl oz = ____ Tbs
2 Tbs
1 Tbs = ____ tsp
3 tsp
_____ are preferred for household system quantities less than 1
Fractions
1 lb = ____ oz
16 oz
____ fl oz of water weighs ____ oz
1 fl oz of water weighs 1 oz
What are the 3 base units needed for medical dosages? What do they measure?
- gram > weight
- liter > liquid volume
- meter > length
What is the relationship between the 3 base units needed for medical dosages?
1 cubic centimeter (cc) of water has a volume of 1 milliliter and weighs 1 gram
Drugs in liquid form are measured by _____
volume
Metric liquid volume units used in dosage calculations:
1.
2.
- liters
- milliliters
1 cubic cm (cc) = ____ mL
1 cc = 1 mL
Drugs in dry form are measured by ______
weight
Metric weight units used in dosage calculations:
1.
2.
3.
4.
5.
- kg
- g
- mg
- mcg
- ng > rarely used
1 mg = _____ mcg
1,000 mcg
1 mcg = _____ ng
1,000 ng
Metric length units used in dosage calculations:
1.
2.
3.
- m > measuring height of large animals
- cm
- mm
1 cm = ____ mm
10 mm
1 m = ____ cm
100 cm
1 tsp = ____ mL
5 mL
5 mL = ____ tsp
1 tsp
1 Tbs = ____ mL
15 mL
15 mL = ____ Tbs
1 Tbs