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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["83"]
Explanation
Calculation:
Determine the total volume to be infused:
Total volume: 250 mL
Determine the total infusion time in minutes:
Infusion time: 30 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 / 30 minutes
≈ 83.33 gtt/min
Round the answer to the nearest whole number:
83.33 gtt/min rounded to the nearest whole number is 83 gtt/min.
Correct Answer is B
Explanation
A. Morphine 4 mg IV q4h prn pain rating of 7 to 10: This prescription is clear and appropriate for pain management. It specifies the correct dosage of morphine (4 mg) to be administered every 4 hours as needed, and it is based on a pain rating scale of 7 to 10, which is standard practice for administering opioids for severe pain. No further clarification is needed here.
B. Zolpidem 5 mg PO qhs prn insomnia: Zolpidem is typically prescribed for short-term use in treating insomnia, usually for no more than 7-10 days. Prescribing it "prn" (as needed) for insomnia is problematic because insomnia often requires regular use for effective treatment, rather than on an as-needed basis. This requires clarification as the prescription doesn’t align with typical use guidelines for zolpidem.
C. Carbidopa 25 mg/levodopa 100 mg PO 3 times daily: This prescription is appropriate for managing symptoms of Parkinson’s disease. Carbidopa/levodopa is commonly prescribed in combination to help control motor symptoms. The dosage and frequency (3 times daily) are consistent with typical treatment regimens for Parkinson’s disease.
D. Carbamazepine 200 mg PO 2 times daily: This prescription is correct for carbamazepine, which is often used to treat seizure disorders and certain types of neuralgia. The prescribed dose and frequency (200 mg twice daily) are within standard dosage recommendations for this medication. No clarification is needed here.
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