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 ["4"]
Explanation
Desired dose = 40 mg
Available concentration = 10 mg/mL
To calculate the volume to administer:
Volume (mL) = Desired dose (mg) / Concentration (mg/mL)
Volume = 40 mg / 10 mg/mL = 4 mL
Correct Answer is ["0.8"]
Explanation
Desired dose = 30 mg
Available concentration = 40 mg/mL
To calculate the volume to administer, use the formula:
Volume (mL) = Desired dose (mg) / Concentration (mg/mL)
Volume = 30 mg / 40 mg/mL = 0.75 mL
Rounded to the nearest tenth, the nurse should administer 0.8 mL of enoxaparin.
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