A nurse is preparing to administer fentanyl 0.5 mcg/kg via IV bolus to a client who weighs 187 lb. Available is fentanyl 50 mcg/ml. How many mi 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 ["0.9"]
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Convert the client’s weight from pounds to kilograms:
- 1 kilogram (kg) = 2.2 pounds (lb)
- Weight in kg = 187 lb / 2.2 = 85 kg
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Calculate the dose of fentanyl in micrograms (mcg):
- Dose = 0.5 mcg/kg × 85 kg = 42.5 mcg
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Determine the volume of fentanyl to administer:
- Available concentration is 50 mcg/ml
- Volume (ml) = Dose (mcg) / Concentration (mcg/ml)
- Volume (ml) = 42.5 mcg / 50 mcg/ml = 0.85 ml
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Round the answer to the nearest tenth:
- Rounded volume = 0.9 ml
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["20.3"]
Explanation
To calculate the amount of acetaminophen liquid to administer, you can use the following formula:
Amount (mL) = (Desired Dose in mg) / (Concentration in mg/mL)
Amount (mL) = 650 mg / (160 mg/5 mL) = 20.31 mL
Rounded to the nearest tenth, the nurse should administer approximately 20.3 mL of acetaminophen liquid.
Correct Answer is D
Explanation
a. Docusate sodium 200 mg PO at bedtime
● This prescription is appropriate for a stool softener (Docusate sodium) commonly used to prevent or treat constipation. It's a standard dosage and administration for this type of medication and doesn't require further clarification.
b. Meloxicam 15 mg PO daily
● Meloxicam is a nonsteroidal anti-inflammatory drug (NSAID) used for pain and inflammation. This prescription indicates a standard dosage and administration for this medication and doesn't require further clarification.
c. Regular insulin 8 units subcutaneous before meals
● This prescription is for regular insulin, a short-acting insulin, and the dosage and timing are standard for managing blood sugar levels in clients with diabetes. It doesn't require further clarification if the client has diabetes and has been on insulin therapy.
d. Fentanyl 25 mcg/hr transdermal patch
● While this prescription is generally appropriate for clients with chronic pain requiring strong opioid analgesia, the nurse should contact the provider for clarification due to the high potency and risk associated with Fentanyl. The provider may need to assess the client's opioid tolerance, pain level, and other pain management options before initiating Fentanyl.
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