Question

You have on hand morphine 500 mg in 500 mL normal saline. You need to administer...

You have on hand morphine 500 mg in 500 mL normal saline. You need to administer morphine 80 mg/hour in a continuous IV infusion to a patient with terminal cancer pain. How many ml per hour will you set on the infusion pump?

160ml/hr
100ml/hr
80ml/hr
60ml/hr
0 0
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Answer #1

Answer: 80ml/hr.

Solution:

If 500mg morphine is in 500ml,

Then, for 1mg will be in = 500ml ÷ 500mg.

Drug need to be administered= 80mg/ hr.

Therefore, 80mg of drug will be = 80 × 500/500 = 80ml.

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