A client receives a prescription for cefazolin 1 gram in 200 mL of 0.9% normal saline to infuse over 30 minutes. The nurse should the infusion pump to deliver how many ml/hour? (Enter numeric value only.)
The Correct Answer is ["400"]
Total volume: 200 mL
Time for infusion: 30 minutes = 0.5 hours
Infusion rate: 200 mL ÷ 0.5 hours = 400 mL/hour
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.42"]
Explanation
1. Determine the concentration of the reconstituted solution:
- The vial contains 0.3 mg of interferon beta-1b.
- It's reconstituted with 2 mL of sterile water.
- Concentration: 0.3 mg / 2 mL = 0.15 mg/mL
2. Calculate the volume to administer:
- The prescribed dose is 0.0625 mg.
- Concentration: 0.15 mg/mL
- Volume: (Desired Dose) / (Concentration) = 0.0625 mg / 0.15 mg/mL = 0.416666... mL
3. Round to the nearest hundredth:
- 0.416666... mL rounded to the nearest hundredth is 0.42 mL.
Therefore, the nurse should administer 0.42 mL.
Correct Answer is ["2.5"]
Explanation
Convert weight: 121 pounds ÷ 2.2 = 55 kg
Dose required: 15 mg/kg × 55 kg = 825 mg
Volume to administer: 825 mg ÷ (325 mg/5 mL) = 12.7 mL
Convert mL to teaspoons: 12.7 mL ÷ 5 mL/teaspoon = 2.5 teaspoons
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