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Practice Question

The healthcare provider prescribes cefazolin 800 mg IM every 6 hours. The available vial is labeled, "Cefazolin 1 gram," and the instructions for reconstitution state, "For IM use, add 2.5 mL sterile water for injection to provide a total volume of 3.0 mL." How many mL should the nurse administer? (Enter numerical value only. If rounding is required, round to the nearest tenth.)

Answer Choices:

Correct Answer:

2.4

Rationale:

🟣 Available dose after reconstitution1 gram (1,000 mg) in 3.0 mL

🟣 Prescribed dose 800 mg

🟣 Required volume

800 mg/1000 mg×3.0 mL

2.4 mL

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Hesi-RN Dosage Quiz

18 Questions

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Question Details
  • Category: RN Nursing Exam(s)
  • Subcategory: HESI Exam(s)
  • Domain: Hesi Dosage Calculations
  • Answer Choices: 1
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