maths for nursing Flashcards
S I Unit and symbol of Length
Metre m
S I Unit and symbol of Volume
Cubic metre m3
S I Unit and symbol of Mass
Kilogram kg
S I Unit and symbol of Amount of substance
Mole mol
unit conversion - Length
names
kilometre - km metres - m centimetres - cm milimetres - mm micrometre - u nanometer
1 kilometre (km) = ___ metre
1000 metres (m)
1 metres (m) = ___ centimètre and ___ millimetre
100 centimetres (cm) 1000 milimetres (mm)
1 centimetres (cm) = ____ milimetres
10 milimetres (mm)
1 milimetres (mm)= ___ micrometre
1000 micrometre (u)
1 micrometre (u) = ___ nanometre
1000 nanometre
where do you use metre?
measurement of adult height
where do you use centimetre?
measurement of child’s height
where do you use millimetre?
measurement of suture needle
where do you use micrometer?
measurement of bacteria
where do you use nanometre?
measurement of blood cells
divide units by 100 when changing____ units to ___
small unit to larger unit
- cm x 1m/100cm
multiply units by 100 when changing____ units to ___
larger unit to smaller unit
- m x 100cm/1m
unit conversion - Volume
names
cubic metre
litres
millilitres
1 cubic metre = ____ litre
1000 litres (L)
1 litres (L)= ____ mililitre
1000 millilitres (mL)
definition - volume
everything that takes up space
Oxygen flow is measured in_____?
litres per minute.
things that is measured in litre
- liquid medicin, injections
- fluid intake and output
for volume we can convert between litres and millilitres by multiplying and dividing units by _____
1000
unit conversion - Mass
names
Kilogram (kg)
gram (g)
miligram (mg)
microgram (mcg)
1 Kilogram (kg) = ____ grams
1000 grams (g)
1 grams (g)= ___ miligrams
1000 miligrams (mg)
1 miligrams (mg)= ___ micrograms
1000 micrograms (mcg)
where do you use mass measurement?
to weight body mass and solid medicine
for mass we can convert between kilogram and miligrams by multiplying and dividing units by _____
1000
it is ok to have two different prefix in the calculation. T/F
false (symbol must always match)
unit conversion in drug calculations is
gram => miligram =>
microgram => nanogram
What is a mole?
more precise measurement for quantity of a substance than measuring mass.
Where do you use mole?
Commonly used in blood chemistry and the administration of some intravenous fluids
1 mole = ____ millimoles
1000 millimoles (mmol)
1 millimole (mmol) = _____ micromoles (umol)
1000 micromoles (umol)
8 rights of drug administrator
right person right medication right dose right time right route right reason right to refuse right documentation
type of drug for administrator
CD
Controlled Delivery
type of drug for administrator
CR
Controlled Release
type of drug for administrator
ER
Extended Release
type of drug for administrator
LA
Long acting
type of drug for administrator
SR
Slow Release
type of drug for administrator
HBS
Hydrodynamically balanced system with controlled release
Time of drug for administrator
Mane
morning
midi
midday
night
nocte
BD
twice a day
three times a day
TDS
four times a day
QID
state
ASAP
Q4h, q6h, q8h, q12h
four, six, eight, twelve hourly
prn
As necessary
Route of drug administrator
buc
buccal
IM
intramuscular
inh
inhalation
IV
intravenous
neb
nebuliser
ng
nasogastric
po
oral
pr
per rectum
pv
per vagina
nj
nasojejunal
sc
subcutaneous
sl
sublingual
top
topical
PEG
percutaneous endoscopic gastrostomy
can you break and take half Scored tablet
yes
can you break and take half unscored tablet
no
Some drugs are unstable when stored as liquids and are supplied in powdered form. These drugs need to be reconstituted with ____?
water
paediatric dosage prescribed as per ____?
weight of the child
tool to workout drug calculation is__?
what you want / what you got x stock available = answer
