## How do you solve (bonus practice quiz 7) #17

by anonymus

how do you solve this one?
You receive an order for 250 mg of Aminophylline in normal saline (total volume 500 ml). The patient weighs 110 lb. The Aminophylline is to be administered at a dose of 0.4 mg per kg per hour. Aminophylline Injection is supplied in 10 mL vials with 25 mg / mL. The IV set to be used delivers 60gtts / ml. What will be the flow rate, in drops per minute, to administer the dose ordered?

## Comments for How do you solve (bonus practice quiz 7) #17

 Jan 29, 2011 RE: by: Anonymous 110 LBS/ 2.2 LBS = 50 KG50 KG * 0.4 mg / kg / hr = 20 mg / hr250 mg / 20 mg / hr = 12.5 hr12.5 hr * 60 min / hr = 750 mins500 mL * 60 gtts / mL = 30000 gtts30000 gtts / 750 mins = 40 gtts / min

 Jan 29, 2011 AMSWER FOR #17 BONUS QUIZ 7 by: ERICA At first, you have to find the total dose that patient needs per hr:110 lbs/2.2 lbs= 50 kg50kg*0.4mg/kg/hr= 20 mg/hrAnd then, you find the total drops need in 500ml volume:500mL*60gtts/mL= 30000gttsThe hours needed for desirable volume to run out:250mg/20mg/hr= 12.5 hr Convert it into minute:12.5hr*60mins/hr = 750 minsYour answer is : 30000gtts/750mins = 40gtts/minHope it will help!

 Jan 17, 2011 How to solve by: Anonymous I am also wondering how to go about solving this problem. Number 17 of bonus practice quiz 7. Any help would be appreciated!

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