PSA: calculation skills

Question 1

IV lorazepam calculation

Answer 1

25–30 micrograms/kg every 6 hours if required; usual dose 1.5–2.5 mg every 6 hours if required, intravenous injection to be administered into a large vein, only use intramuscular route when oral and intravenous routes not possible.

Question 2

nanograms into micrograms

Answer 2

1000nanograms=1microgram

Question 3

microgram vs miligram

Answer 3

1000micrograms=1milligram

Question 4

miligrams vs grams

Answer 4

1000 milligrams = 1 gram

Question 5

what does 0.1% mean?

Answer 5

0.1g per 100ml

100mg per 100ml

1mg/ml