The physician ordered 250 mL D5 $1 / 2$ NS with aminophylline 0.25 g added for administration over 1 hour, every 6 hours. The nurse located a vial of aminophylline 500 mg/20 mL. How many milliliters of medication should be added to the IV bag?
A) 5
B) 10
C) 15
D) 20

Question

Quizplus · Accepted Answer

To find out how many milliliters of aminophylline should be added, first convert 0.25 g to mg, which is 250 mg. The concentration of aminophylline is 500 mg in 20 mL. To find out how many mL contain 250 mg, set up a proportion: (500 mg / 20 mL) = (250 mg / x mL). Solving for x gives x = 10 mL.

The Physician Ordered 250 ML D5 1/21 / 21/2 NS with Aminophylline 0

The Physician Ordered 250 ML D5 $1 / 2$ NS with Aminophylline 0