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Math for Meds - Test 2 > test 2 > Flashcards

test 2 Flashcards

1
Q

Metric system is based on units of what

A

10

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2
Q

units commonly used by nurses in metric system

A

weight (gram, kilogram)
volume (litre)
length (meter)

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3
Q 
common abbreviations in metric
km
m
cm
mm
A

kilometer
meter
centimeter
millimeter

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4
Q

what lengths do nurses measure?

A 
wound measurement
child/adult growth development
application of certain topical meds
calculating BMI
lifting and transferring patients (choosing correct equipment)
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5
Q

converting 3.6 m to cm

A

360 cm

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6
Q

0.8 m to mm

A

800 mm

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7
Q

to convert km to m

A

multiply by 1000

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8
Q

convert m to mm

A

multiply by 100

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9
Q

convert cm to mm

A

multiply by 10

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10
Q

convert m to cm

A

multiply by 100

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11
Q

to convert m to km

A

divide by 1000

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12
Q

convert mm to m

A

divide by 1000

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13
Q

convert mm to cm

A

divide by 10

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14
Q

convert cm to m

A

divide by 100

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15
Q

35 mm to m

A

0.035 m

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16
Q

1000 m to km

A

1 km

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17
Q

12 mm to cm

A

1.2 cm

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18
Q

146 cm to m

A

1.46 m

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19
Q

L =

A

litre

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20
Q

dL

A

deciliter

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21
Q

cL

A

centiliter

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22
Q

mL

A

mililiter

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23
Q

what liquids do nurses measure

A

liquid meds
intravenous therapy
fluid balanced (intake/output)
wound drainage

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24
Q

to convert L to mL

A

multiply by 1000

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25
Q

to convert mL to L

A

divide by 1000

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26
Q

common units of weight measure used in nursing

A

Kg - kilogram (persons weight)
g - gram (infants weight)
mg - milligrams (many meds)
mcg - many potent meds are measured in mcg

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27
Q

convert from kg to g

A

multiply by 1000

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28
Q

convert from g to mg

A

multiply by 1000

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29
Q

convert from mg to mcg

A

multiply by 1000

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30
Q

1 teaspoon = mL

A

5 mL

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31
Q

1 tablespoon = mL

A

15 mL

32
Q

1 oz = mL

A

30 mL

33
Q

1 cup = mL

A

240 mL

34
Q

1 quart (qt) = L

A

1 litre

35
Q

1 kg = pounds

A

2.2 pounds (lb)

36
Q

1 inch = cm

A

2.54 cm

37
Q

what are international units?

A

are measurements internationally agreed upon to match no matter where you are in the world. promotes safety - commonly used for insulin, heparin, penicillin and vitamins

38
Q

What are equivalents used for

A 
electrolytes
e.g.
Na (sodium)
Cl (chloride)
K (potassium)
39
Q

formula to convert from Fahrenheit to Celcius

A

(f-32) + 1.8 = C

40
Q

formula to convert from Celsius to Fahrenheit

A

(c x 1.8) + 32 = F

41
Q

IM

A

intramuscularly

42
Q

IV

A

intravenously

43
Q

SL

A

sublingual; under the tongue

44
Q

ID

A

intradermal

45
Q

SUBCUT

A

subcutaneously

46
Q

GT

A

gastrostomy tube

47
Q

NG

A

nasogastric tube

48
Q

NJ

A

nasojejunal tube

49
Q

PO

A

by mouth, orally

50
Q

pr

A

per rectum, rectally

51
Q

q

A

every

52
Q

NPO

A

nothing by mouth (per os)

53
Q

gtt

A

drops

54
Q

tab

A

tablet (do not put an s even if plural)

55
Q

ac

A

before meals

56
Q

pc

A

after meals

57
Q

ad lib

A

as desired, freely

58
Q

prn

A

as required

59
Q

stat

A

immediately, at once

60
Q

BID

A

twice a day

61
Q

TID

A

three times a day

62
Q

QID

A

four times a day

63
Q

min

A

minute

64
Q

h/hr

A

hour

65
Q

hs

A

bedtime

66
Q

qh /qhr

A

every hour

67
Q

q2h

A

every two hours

68
Q

q3h

A

every three hours

69
Q

q4h

A

every six hours

70
Q

q8h

A

every eight hours

71
Q

q12h

A

every 12 hours

72
Q

do not use/ use full work for them

A 
U for units
IU for international units
drug names
qd or qod - everyday or every other day or od - use daily or every other day
OD, OS, OU - right eye, left eye, both eyes
D/C - use discharge
cc - cubic centimeter - use mL
ug - microgram - use mcg
@ - use at
> - use greater than
< - use less than
73
Q

be cautious about

A

trailing zero: x.0

lack of leading zero: .x mg

74
Q

name 2 steps to estimating answers

A

round all numbers so that they can easily be worked in mental calculations

substitute the rounded numbers into the appropriate equation and solve mentally

75
Q

dimensional analysis

A

identify the desired answer and write it to the left of the = sign

identify the given quantity in the problem and the desired quantity and write them to the right of the = sign

express 18 months in years
years = 18 months
years = 18 mths x 1 yr/12 mths
years = 18/12
years = 11/2

years = 18 months

Math for Meds - Test 2 (2 decks)

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