HESI RN D441 Pharmacology 0A1 | Nurselytic

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HESI RN D441 Pharmacology 0A1 Questions

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Question 1 of 5

The healthcare provider prescribes magnesium sulfate 300 mg/hour IV. The IV bag contains magnesium sulfate 4 grams in dextrose 5% in water (DW) 500 mL. How many mL/hour should the nurse set the infusion pump? (Enter numerical value only. If rounding is required, round to the nearest tenth.)

Correct Answer: 37.5

Rationale: Concentration = 4000 mg / 500 mL = 8 mg/mL. Infusion rate = Prescribed dose (300 mg/hour) / Concentration (8 mg/mL) = 37.5 mL/hour.

Question 2 of 5

Correct Answer:

Rationale:

Question 3 of 5

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Question 4 of 5

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Question 5 of 5

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