A nurse is preparing to administer heparin 2.000 units by IV bolus. Available is heparin injection 5.000 units/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.4"]
Step-by-Step Calculation
Understanding the Problem
We need to administer 2000 units of heparin.
The available concentration of heparin is 5000 units/mL.
We need to find the volume to administer.
Calculations
Set up a proportion:
5000 units / 1 mL = 2000 units / x mL
Cross-multiply:
5000x = 2000
Solve for x:
x = 2000 / 5000
x = 0.4 mL
The nurse should administer 0.4 mL of heparin.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["217"]
Explanation
Total volume to be infused = 5200 mL
Total infusion time = 24 hours
Infusion rate for the entire 24 hours = 5200 mL / 24 hours = 216.67 mL/hr
Round to the nearest whole number for the first 8 hours: 217 mL/hr
Correct Answer is ["63"]
Explanation
Calculate total drops: 250 mL X 15 gtt/mL = 3750 gtt
Convert minutes to hours: 60 minutes = 1 hour
Calculate drip rate: 3750 gtt / 1 hour = 3750 gtt/hr
Convert to gtt/min: 3750 gtt/hr / 60 min/hr = 62.5 gtt/min
Round to nearest whole number: 63 gtt/min
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