The healthcare provider prescribes filgrastim 5 mcg/kg subqutaneous (SubQ) for a client who weighs 176 pounds. The available vial is labeled, "Filgrastim 300 mcg/mL. Based on the client's weight, how many milliliters should the nurse administer? (Enter numerical value only. If rounding is required, round to the nearest tenth.)
The Correct Answer is ["1.3"]
Here's how to calculate the volume (mL) of filgrastim the nurse should administer:
Client weight conversion:
Client weight: 176 pounds
Since medication dosage is based on weight per kilogram (kg), we need to convert the weight to kg for accurate calculation.
Conversion factor: 1 kg = 2.205 lbs
Client weight (kg) = 176 pounds / 2.205 lbs/kg
Client weight (kg) = 80 kg (round to nearest whole number)
Filgrastim dose per kg:
Dose per kg = 5 mcg/kg (given)
Filgrastim concentration:
The medication vial is labeled 300 mcg/mL. This indicates there are 300 mcg of filgrastim in every 1 mL of solution.
We need to find the volume (mL) containing the prescribed dose (based on weight) of filgrastim (5 mcg/kg) considering the concentration (300 mcg/mL) in the vial.
Total filgrastim dose (mcg): Dose (mcg/kg) x Client weight (kg)
Total filgrastim dose (mcg): 5 mcg/kg * 80 kg
Total filgrastim dose (mcg): 400 mcg
Volume to administer (mL): Total dose (mcg) / Concentration (mcg/mL)
Volume to administer (mL): 400 mcg / 300 mcg/mL
Volume to administer (mL) = 1.33 mL (round to nearest tenth)
Therefore, the nurse should administer approximately 1.3 mL of filgrastim subcutaneously.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["3600"]
Explanation
Here's how to calculate the maximum daily dose of acetaminophen for the child:
Calculate the maximum dose per administration:
Maximum dose per kg per administration = 15 mg/kg (given)
Child's weight = 40 kg (given)
Since this is a PRN medication (given as needed), we will calculate the maximum dose per administration based on the prescribed dosage.
Maximum dose per administration = 15 mg/kg/dose * 40 kg
Maximum dose per administration = 600 mg (round to nearest whole number)
Calculate the number of administrations in a 24-hour period (maximum):
Frequency: Every 4 to 6 hours PRN (given)
Since this is a PRN medication, we will assume the maximum frequency (every 4 hours) for calculating the maximum daily dose.
Number of administrations (maximum) = 24 hours / Frequency (hours/administration)
Number of administrations (maximum) = 24 hours / 4 hours/administration
Number of administrations (maximum) = 6 administrations
Calculate the maximum daily dose:
Maximum daily dose = Maximum dose per administration x Number of administrations (maximum)
Maximum daily dose = 600 mg/administration * 6 administrations
Maximum daily dose = 3600 mg
Therefore, the maximum daily dose the nurse should administer is 3600 mg.
Correct Answer is ["111"]
Explanation
Here's how to calculate the rate for the infusion pump:
Total volume to infuse: 1 liter (given)
Infusion time: 9 hours (given)
We need to find the volume delivered per hour (mL/hour) considering the total volume and infusion time.
Volume conversion: Since the volume is given in liters, convert it to mL:
1 liter * 1000 mL/liter = 1000 mL
Infusion rate (mL/hour):
Infusion rate (mL/hour) = Total volume (mL) / Infusion time (hours)
Infusion rate (mL/hour) = 1000 mL / 9 hours
Infusion rate (mL/hour) = 111.11 mL/hour (round to nearest tenth)
Therefore, the nurse should program the infusion pump to deliver approximately 111 mL/hour.
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