Rhenis Nursing Rhenis Nursing
NUR 221 Exam-1 V3 W126
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Hint : 💡First convert the ordered grams to a volume using the bag’s concentration, then adjust that volume to run over 30 minutes.

Correct Answers:

  • 400


Rationale :

🧮The order is for 4 g of magnesium sulfate over 30 minutes, so you must first figure out what volume in mL contains 4 g from the available solution.

📏The IV bag contains 20 g in 1000 mL, giving a concentration of 0.02 g/mL (20 ÷ 1000).

🔄To find the volume that contains 4 g, you divide 4 g by 0.02 g/mL, which equals 200 mL of solution.

⏱️Because 200 mL must infuse over 30 minutes (0.5 hr), you divide 200 mL by 0.5 hr and get an infusion rate of 400 mL/hr to set on the pump.

📌Core Message

Correctly solving this problem requires converting grams to milliliters using the solution concentration and then converting the required volume over the time in hours to get an IV rate of 400 mL/hr.

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