The nurse is preparing to administer enoxaparin 135 mg subcutaneously. The medication is available in a cartridge labeled 150 mg/mL. How many mL should the nurse administer?
(Enter numeric value only. If rounding is required, round to the nearest tenth.)
The Correct Answer is ["0.9"]
To calculate the volume of medication to administer, we can use the following formula: Volume = Dose / Concentration
In this case, the dose is 135 mg and the concentration is 150 mg/mL. We can calculate the volume required as follows: 135 mg / 150 mg/mL = 0.9 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["20"]
Explanation
The client is currently receiving an infusion labeled as 5% Dextrose Injection 500 mL with heparin sodium 25,000 Units. The concentration of heparin in the IV solution is 50 units/mL (25,000 units / 500 mL).
A prescription is received to change the rate of the infusion to heparin 1,000 units/hour.
Since the concentration of heparin in the IV solution is 50 units/mL, the nurse should program the infusion pump to deliver 20 mL/hour of the IV solution (1,000 units/hour / 50 units/mL).
Correct Answer is ["2.4"]
Explanation
Step 1 is to identify the ordered dose and the correct available concentration based on the route of administration.
Ordered Dose: 4,780 IU
Route: IV (Intravenous)
Available Strength: 10,000 IU
Reconstitution Volume for IV: 5 mL
Step 2 is to calculate the volume to administer in milliliters (mL)
Volume = (Ordered Dose ÷ Available Dose) × Available Volume
Volume = (4,780 ÷ 10,000) × 5
4,780 ÷ 10,000 = 0.478
0.478 × 5 = 2.39
Volume to administer = 2.39 mL
Step 3 is to round to the nearest tenth
2.39 rounds to 2.4
Answer: 2.4
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