Chapter 5 Flashcards
Measures a drug in terms of its action.
Unit
Unit nomenclature
Arabic numerals in front of the measure, in lower case
Parts per hundred
percentage
Percentage nomenclature
no space between the quantity and percentage sign
Represents the number of grams of drug per 100 mL of solution.
Percent (in solution)
An expression of the number of grams of a drug contained in 1 mL of a normal solution.
Milliequivalents (mEq)
Milliequivalent nomenclature
Arabic numerals, with a space, abbreviation following, mEq
Represent parts of drug per parts of solution.
Ratio measures
Ration nomenclature
Simplest terms
Abbreviation for ounce
oz
Abbreviation for tablespoon
T, TBS, tbs
Abbreviation for teaspoon
t, TSP, tsp
Abbreviation for dram
dr
Abbreviation for drop
gtt
Metric equivalent of 1 oz
30 mL
Metric equivalent of 1 tablespoon
15 mL
Metric equivalent of 1 teaspoon
5 mL
Metric equivalent of 1 dram
4 mL
Metric equivalent of 1 drop
1 mL
The volume of a drop depends entirely on the ____________________ being used.
size of the dropper
International units measure a drug by its _________ rather than its ______________.
action; weight
There is no abbreviation for ______________.
units
________________ strengths are frequently used in solutions and ointments.
Percentage (%)
The greater the percentage strength, the __________ the solution.
stronger
Milliequivalent is abbreviated _______.
mEq
Milliequivalent is frequently used in _________________.
solution measurements
_________________ are now obsolete and should not be used.
Apothecary measures
Abbreviation for grain (weight measurement)
gr
Abbreviation for minim (volume measurement)
m, min
Abbreviation for dram (volume measurement)
dr, fluid dram
1/2 oz = ____ mL
15 mL
2 1/2 dr = ____ mL
10 mL
2 dr = ____ mL
8 mL
1 1/4 dr = ____ mL
5 mL
1 dr = ____ mL
4 mL
1 min = ____ gtt
1 gtt
1T = ____ mL
15 mL
1t = ____ mL
5 mL
45 min = ____ mL
3 mL
30 min = ____ mL
2 mL
15 min = ____ mL
1 mL
12 min = ____ mL
0.75 mL
10 min = ____ mL
0,6 mL
8 min = ____ mL
0.5 mL
5 min = ____ mL
0.3 mL
4 min = ____ mL
0.25 mL
3 min = ____ mL
0.2 mL
1 1/2 min = ____ mL
0.1 mL
1 min = ____ mL
0.06 mL
3/4 min = ____ mL
0.05 mL
1/2 min = ____ mL
0.03 mL
15 gr = ____ mg
1000 mg
10 gr = ____ mg
600 mg
7 1/2 gr = ____ mg
500 mg
5 gr = ____ mg
300 mg
4 gr = ____ mg
250 mg
3 gr = ____ mg
200 mg
2 1/2 gr = ____ mg
150 mg
2 gr = ____ mg
120 mg
1 1/2 gr = ____ mg
100 mg
1 gr = ____ mg
60 mg
3/4 gr = ____ mg
45 mg
1/2 gr = ____ mg
30 mg
1/3 gr = ____ mg
20 mg
1/4 gr = ____ mg
15 mg
1/6 gr = ____ mg
10 mg
1/8 gr = ____ mg
7.5 mg
1/10 gr = ____ mg
6 mg
1/15 gr = ____ mg
4 mg
1/20 gr = ____ mg
3 mg
1/30 gr = ____ mg
2 mg
1/40 gr = ____ mg
1.5 mg
1/60 gr = ____ mg
1 mg
1/100 gr = ____ mg
0.6 mg
1/120 gr = ____ mg
0.5 mg
1/150 gr = ____ mg
0.4 mg
1/200 gr = ____ mg
0.3 mg
1/250 gr = ____ mg
0.25 mg
a.m.
antemeridian
p.m.
postmeridian
