A nurse is preparing to administer fligrastin 5 mcg/kg subcutaneous to a client who weighs 143 lb. Available is fligrastin 300 mcg/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 ["1.1"]
Calculation:
Convert the client's weight from pounds (lbs) to kilograms (kg):
Formula: Weight in kg = Weight in lbs / 2.2 lbs/kg
= 143 lbs / 2.2 lbs/kg
≈ 65 kg
Calculate the total dose of filgrastim needed in micrograms:
Ordered dose: 5 mcg/kg
Client's weight in kg: 65 kg
Formula: Total dose (mcg) = Ordered dose (mcg/kg) × Client's weight (kg)
= 5 mcg/kg × 65 kg
= 325 mcg
Determine the concentration of the available filgrastim solution:
Available concentration: 300 mcg/mL
Calculate the volume of filgrastim to administer:
Formula: Volume to administer (mL) = Desired dose (mcg) / Concentration (mcg/mL)
= 325 mcg / 300 mcg/mL
≈ 1.0833 mL
Round the answer to the nearest tenth:
1.0833 mL rounding to the nearest tenth gives us 1.1 mL.
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Related Questions
Correct Answer is ["0.3"]
Explanation
Calculation:
Convert the child's weight from pounds (lbs) to kilograms (kg):
Formula: Weight in kg = Weight in lbs / 2.2 lbs/kg
= 66 lbs / 2.2 lbs/kg
= 30 kg
Calculate the total dose of epinephrine needed in milligrams:
Ordered dose: 0.01 mg/kg
Child's weight in kg: 30 kg
Formula: Total dose (mg) = Ordered dose (mg/kg) × Child's weight (kg)
= 0.01 mg/kg × 30 kg
= 0.3 mg
Determine the concentration of the available epinephrine injection:
Available concentration: 1 mg/mL
Calculate the volume of epinephrine to administer:
Formula: Volume to administer (mL) = Desired dose (mg) / Concentration (mg/mL)
= 0.3 mg / 1 mg/mL
= 0.3 mL
Correct Answer is ["200"]
Explanation
Calculation:
Determine the total volume to be infused:
Total volume: 100 mL
Determine the total infusion time in hours:
Infusion time: 30 minutes
Conversion: 30 minutes / 60 minutes/hour = 0.5 hours
Calculate the IV pump flow rate in mL/hr:
Formula: Flow rate (mL/hr) = Total volume (mL) / Total time (hours)
= 100 mL / 0.5 hours
= 200 mL/hr
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