Practice Question
A nurse is preparing to administer magnesium sulfate 1.75 g/hr by continuous IV infusion to a client. Available is magnesium sulfate 4 g in 100 mL dextrose 5% in water (D5W). The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest tenth)
Answer Choices:
Correct Answer:
43.8
Rationale:
💙Divide dose by concentration.
💙Available: 4 g in 100 mL.
💙Ordered: 1.75 g/hr.
💙Concentration: 4g÷100mL=0.04g/mL
💙Required volume/hr: 1.75÷0.04=43.75 mL/hr
💙1.75÷0.04=43.75mL/hr → round to 43.8 mL/hr.
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This question is from PHR 110 Pharmacology- Drug calculation Quiz 3 which contains 35 questions.
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From Exam
PHR 110 Pharmacology- Drug calculation Quiz 3
35 Questions
View Full Exam Start PracticingQuestion Details
- Category: RN Nursing Exam(s)
- Subcategory: General Exams
- Domain: 🚑Pharmacology
- Answer Choices: 1
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