Medical math Flashcards
1
Q
kilo
A
1,000
2
Q
hecto (hector is 100)
A
100
3
Q
deka
A
10
4
Q
deci
A
0.1
5
Q
centi (centurian)
A
0.01
6
Q
milli
A
0.001
7
Q
micro (the number)
A
0.000001
8
Q
prefix pneumonic (KHDDCMM)
A
Kitty Hawk Doesn’t Drink Canned Milk Much - kilo, hecto, deka, deci, centi, milli, micro
9
Q
abbreviation for gram
A
g
10
Q
abbreviation for milliliter
A
mL
11
Q
abbreviation for liter
A
L
12
Q
converting smaller to larger
A
move decimal point 3 spaces to left
13
Q
converting larger to smaller
A
move decimal point 3 spaces to right
14
Q
1 kg is how many grams
A
1000
15
Q
1 gram is how many milligrams
A
1000
16
Q
1 mg is how many micrograms
A
1000
17
Q
1 liter is how many millilters
A
1000
18
Q
1 millilter is how many liters
A
0.001
19
Q
1 meter is how many centimeters (you need 100 cents for the meter)
A
100
20
Q
1 millimeter is how many meters (this is also 1000)
A
0.001
21
Q
teaspoon is how many mL (Milli likes 5 teaspoons)
A
5 mL
22
Q
a tablespoon is how many mL
A
15 mL
23
Q
a measuring cup is how many ounces
A
8 oz
24
Q
1 inch = how many cm
A
2.5 cm
25
1 ounce is how many mL
30 mL
26
1 pt is how many ounces
16 oz
27
1 qt is how many ounces
32 oz
28
1 cup is how many oz
8 oz
29
16 oz is how many lbs
1 lb
30
2.2 lb is how many kg
1 kg (1000 g)
31
1 in is how many cm
2.5 cm
32
larger to smaller conversion, you need to...
multiply
33
to convert from smaller to larger, you need to...
divide
34
dimensional analysis
use a fraction and cancel the one you don't want
35
conversion factor method
1 kg = 2.2 lb, just divide.
36
ratio and proportion (the ratio is mean)
1 kg: 2.2 lbs = x kg: 110 lbs i.e means and extremes
37
1 pint is how many ounces
16 oz
38
1 pint is how many ml (500 milis are pint sized)
500 ml
39
1 ounce is how many tablespoons
2 tablespoons
40
1 pt is how many mL
500 mL
41
1 qt is how many pts
2 pt
42
1 qt is how many mililiters?
1000 ml (really 960)
43
converting C to F (they multiply first)
multiply and then add
44
convert F to C (the subtract first in the US)
subtract and then divide
45
the formula method (the formula at DQ)
D/H x Q = X
46
dimensional analysis method
ratio
47
1 cc is how many mL?
1
48
how many mL in one gram? (Millie wants a gram for $10)
10 mL
49
0.015 as percent
1.5 percent - remember just move the decimal 2 places to the right
50
2 is what percent of 600
2 divided by 600, answer times 100 = .33%
51
find percent how? 20 is what % of 100
20 divided by 100, answer times 100 = 20
52
a client weights 275 before dieting, and 250 after dieting. What is the percent of change?
25 lbs divided by 275, answer times 100 = 9%
53
roman numerals acronym
lovely cats don't meow (LCDM) 50, 100, 500, 1000)
54
insulin is never given in what measurement?
mL, it's always given in units
55
1 centimeter is how many mm?
10 mm
56
pound is how many ounces?
16
57
.4 pounds to ounces
multiply .4 times 16 (16 oz in a lb)
58
how many ounces in a kilogram? (Kill 35 ounces)
35.27
59
how many tsp in 1 T?
3 tsp in 1 T
60
is miligrams or grams smaller?
milligram is smaller
61
is gram or kilogram bigger?
kilogram
62
king henry died drinking chocolate milk micro
kilo, hecto, deca, deci, centi, and milli
63
rapid acting insulin label
has nothing on it
64
R on insulin label (Robin is not short)
short acting insulin
65
N on insulin label (intermediate is normal)
intermediate acting
66
nothing on label but subcutaneous only
long acting insulin
67
gtt is a drop, therefore CANNOT...
be a decimal, always round up
68
smallest unit of measure is...
drop
69
1 tablespoon is how many teaspoons?
3
70
1 oz is how many tablespoons?
2
71
1 pint is how many cups?
2
72
1 quart is how many cups?
4 cups
73
1 cup is how many milliliters? (Millie made $240 off of one cup)
240
74
normal saline .9% is..
2 tsp salt in 4 cups of water
75
acetic acid (.25%)
3 tablespoons of white vinegar in 4 cups of water
76
one cup is how many OUNCES
8 oz
77
mEq is...
milliequivalent
78
end my epi
outer to inner
79
5 1/4 - find the ratio
21:4 change it to an improper fraction first - 21/4
80
5 1/4 - find the percentage
change to improper fraction - 21/4 - then find decimal - 5.25 - then multiply by 100 - 525%
81
how many mg in a grain? (grainy sight at 60)
60 mg
82
1 minim (mini drop)
1 drop
83
how many mL in a dram? (dramarama at 4)
4 mL
84
in apothecary, symbol is placed where?
in front - gr 7 1/2
85
in apothecary, fractions are expressed as...
fractions or roman numerals
86
how many mg in a grain? Milli is also grainy at 60
60 (but measurements are not exact, it's actually 64)
87
flow rate just means...
gtt/min
88
IV tubing Calibration
requires 10, 15, or 20gtt to equal 1mL - routine for adult IV
89
mini-microdrop set
- Used when more exact measurement needed
- commonly used in pediatric patients
- Requires 60gtt to equal 1mL
