A nurse is preparing to administer fligrastin 250 mcg subcutaneous. How many mg should the nurse administer? (Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.25"]
Calculation:
Determine the ordered dose in micrograms:
Ordered dose: 250 mcg
Convert micrograms to milligrams:
Conversion factor: 1 mg = 1000 mcg
Formula: Dose in mg = Dose in mcg / 1000 mcg/mg
= 250 mcg / 1000 mcg/mg
= 0.25 mg
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["14"]
Explanation
Calculation:
Determine the total volume to be infused:
Total volume: 250 mL
Determine the total infusion time in minutes:
Infusion time: 3 hours × 60 minutes/hour = 180 minutes
Determine the drop factor of the IV tubing:
Drop factor: 10 gtt/mL
Calculate the total number of drops needed:
Formula: Total drops (gtt) = Total volume (mL) × Drop factor (gtt/mL)
= 250 mL × 10 gtt/mL
= 2500 gtt
Calculate the flow rate in drops per minute (gtt/min):
Formula: Flow rate (gtt/min) = Total drops (gtt) / Total time (minutes)
= 2500 gtt / 180 minutes
≈ 13.89 gtt/min
Round the answer to the nearest whole number:
13.89 gtt/min rounded to the nearest whole number is 14 gtt/min.
Correct Answer is ["50"]
Explanation
Calculation:
Determine the total units of insulin available:
Available insulin: 100 units
Determine the total volume of the solution:
Total volume: 1000 mL
Calculate the concentration of the insulin solution in units per milliliter:
Formula: Concentration (units/mL) = Total units / Total mL
= 100 units / 1000 mL
= 0.1 units/mL
Determine the desired dose of insulin per hour:
Ordered dose: 5 units/hr
Calculate the IV pump flow rate in mL/hr:
Formula: Flow rate (mL/hr) = Desired dose per hour (units/hr) / Concentration (units/mL)
= 5 units/hr / 0.1 units/mL
= 50 mL/hr
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