The healthcare provider prescribes amrinone 55 mg via IV bolus to be given over 2 minutes. The available vial is labeled, amrinone 100 mg/20 mL. How many ml. should the nurse administer per minute? (Enter numeric value only. If rounding is required, round to the nearest tenth.)
The Correct Answer is ["5.5"]
Dose required: 55 mg
Concentration: 100 mg/20 mL = 5 mg/mL
Volume to administer: 55 mg ÷ 5 mg/mL = 11 mL
Infusion rate: 11 mL ÷ 2 minutes = 5.5 mL/min
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1900"]
Explanation
Calculate the infusion time:
Total volume: 150 mL
Infusion rate: 100 mL/hr
Infusion time: 150 mL / 100 mL/hr = 1.5 hours
2. Convert 1.5 hours to hours and minutes:
1.5 hours = 1 hour and 30 minutes
3. Add the infusion time to the start time:
Start time: 1730
Infusion time: 1 hour and 30 minutes
Completion time: 1730 + 1 hour 30 minutes = 1900
Correct Answer is ["50"]
Explanation
Total volume: 100 mL
Time for infusion: 30 minutes
Infusion rate: 100 mL ÷ 30 minutes = 3.33 mL/min
Drops per minute: 3.33 mL/min × 15 gtt/mL = 50 gtt/min
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