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
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Related Questions
Correct Answer is ["5"]
Explanation
Total volume to be infused = 1000 mL
Desired infusion rate = 200 mL/hr
To determine the infusion time, we can use the formula:
Infusion time (hours) = Total volume (mL) / Infusion rate (mL/hr)
Substituting the values:
Infusion time = 1000 mL / 200 mL/hr = 5 hours
Therefore, the IV pump will infuse for 5 hours.
Correct Answer is ["100"]
Explanation
To calculate the IV pump rate in mL/hr, follow these steps:
Total volume to be infused: 50 mL
Infusion time: 30 minutes
Convert the infusion time to hours:
30 minutes ÷ 60 minutes/hour = 0.5 hours
Calculate the IV pump rate:
Rate (mL/hr) = Total volume (mL) ÷ Infusion time (hours)
Rate = 50 mL ÷ 0.5 hours = 100 mL/hr
The nurse should set the IV pump to deliver 100 mL/hr.
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