Calculation skills Flashcards
1
Q
what does 1% (1g)
A
1g in 100ml
100ml of water = 100g, so this is where this comes from
2
Q
what does 1% mean (mg)
A
10mg in 1 ml or 0.01g
1ml of water weighs 1g
3
Q
what does 1% mean in weight/weight calculations
A
1g in 100g
4
Q
what does 1 in 1000 mean
A
1g in 1000ml
5
Q
1 microgram =
A
0.001 mg
micrograms are 1000 times smaller
mg * 1000 = mcg
mcg/1000 = mg
6
Q
1g =
A
1000mg
mg are 1000 times smaller
g * 1000 = mg
mg/ 1000 = mcg
7
Q
when diluting ampules, work with the ampule you’ve got, don’t half it or whatever
A
nothing on this side you dope get back to work
8
Q
when working out how many mls to give, what’s an easier equation
A
(# of mls solution you have/ mass of drug in that solution e.g mg) * mass you want in same unit = mls you need to give
