Hesi rn pediatrics & care of woman proctored exam
Calculation
The healthcare provider prescribes magnesium sulfate 6 grams IV to be infused over 20 minutes for a client with preterm labor. The IV bag contains "Magnesium sulfate 20 grams in dextrose 5% in water 500 mL.”. How many mL/hour should the nurse set the infusion pump? (Enter numerical value only.)
mL/hr
Explanation & Rationale
Step 1 is 6 grams ÷ (20 grams ÷ 500 mL) = 150 mL. Step 2 is (150 mL ÷ 20 min) × 60 min = 450 mL. The final calculated answer is 450.
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