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 ["15"]
Explanation
Calculate the single dose: 40 mEq / 2 doses = 20 mEq/dose
Calculate the volume: 20 mEq X (5 mL / 6.7 mEq) = 14.93 mL
Round to the nearest whole number: 15 mL
Correct Answer is ["0.6"]
Explanation
The nurse is administering diphenhydramine at a dose of 30 mg. The available concentration is 50 mg/mL.
We can set up a proportion to find out how many mL contain 30 mg:
50mg/1mL = 30mg/ xmL
Solving for x gives us:
X = 30mg×1mL / 50mg = 0.6mL
So, the nurse should administer 0.6 mL of diphenhydramine.
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