A client receives a prescription for warfarin 2 mg IM daily. The pharmacy delivers a vial labeled, warfarin 5 mg/single-use vial. The instructions read, reconstitute with 2.7 mL of sterile water for injection to yield 2 mg/mL. How many mg should the nurse administer?
(Enter the numerical value only.)
The Correct Answer is ["2"]
Volume (mL) = Dose (mg) / Concentration (mg/mL)
Substituting the values, the nurse gets:
Volume (mL) = 2 mg / 2 mg/mL
Volume (mL) = 1 mL
Therefore, the nurse should administer 1 mL of the reconstituted solution to deliver 2 mg of warfarin to the client.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["15"]
Explanation
- The liraglutide Pen contains 18 mg of liraglutide.
- The Pen can deliver doses of 0.6 mg, 1.2 mg, or 1.8 mg.
- The healthcare provider prescribed 1.2 mg daily for the client.
- To calculate the number of doses in each Pen, divide 18 mg by 1.2 mg.
- The answer is 15 doses per Pen.
Correct Answer is ["0.5"]
Explanation
- Calculate the dose of dalteparin in units: 60 kg x 200 units/kg = 12,000 units - Calculate the volume of dalteparin in mL: 12,000 units / 25,000 units/mL = 0.48 mL
- Round the volume to the nearest tenth: 0.5 mL
- The nurse should administer 0.5 mL of dalteparin subcutaneously once a day
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