A client who weighs 154 pounds receives a prescription for epoetin alfa 50 units/kg subcutaneously 3 times a week. The medication is available in 2000 units/mL vial. How many mL should the nurse administer with each dose?
(Enter numerical value only. If rounding is required, round to the nearest tenth.)
The Correct Answer is ["1.8"]
- Convert the client's weight to kilograms: 154 pounds / 2.2 = 70 kg - Calculate the dose in units: 50 units/kg x 70 kg = 3500 units
- Calculate the volume in mL: 3500 units / 2000 units/mL = 1.75 mL
- Round to the nearest tenth: 1.8 mL
- The nurse should administer 1.8 mL with each dose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.5"]
Explanation
To calculate the correct dosage of streptomycin, the nurse needs to use the following formula:
D (desired dose) / H (have dose) x V (volume) = A (amount to administer)
In this case, the desired dose is 200 mg, the dose is 1000 mg (1 gram), and the volume is 2.5 mL. Plugging these values into the formula, we get:
200 / 1000 x 2.5 = 0.5
Therefore, the nurse should administer 0.5 mL of streptomycin every 12 hours.
Correct Answer is ["42"]
Explanation
- Calculate the total volume in mL: 1 liter = 1000 mL
- Calculate the total infusion time in minutes: 8 hours x 60 minutes = 480 minutes
- Calculate the infusion rate in mL/min: 1000 mL / 480 minutes = 2.08 mL/min
- Calculate the infusion rate in gtt/min: 2.08 mL/min x 20 gtt/mL = 41.6 gtt/min
- Round to the nearest whole number: 42 gtt/min
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