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22. There are 20mg of drug in SmL to infuse over 30 min. Pump is set at 42mL/hr. What is the total volume of med/solution tha

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Answer #1

22. 20mg of drug is present in 5ml

It has to be infused in 30mins = 1/2 hr

Flow rate is 42ml /hr

Flow rate = total volume /total time

42ml/ hr = total volume / total time

42 = total volume / 0.5 hr

Total volume = 42 × 0.5ml

23. 10mg of drug is present in 3.25 ml

It has to be infused over 45 mins

Flow rate= 60ml / hr

Flow rate = total volume / total time

60ml /hr = total volume / 45mins ( 0.75hr)

= Total volume - flow rate × total time

= 60 × 0.75ml = total volume

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