A nurse is preparing to administer fentanyl 100 mcg IM one time for pain to a client who is in labor and requests pain medication. Available is fentanyl injection 0.05 mg/mL. How many mL should the nurse administer?
(Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["2"]
Volume (mL) = Dose (mcg) / Concentration (mcg/mL) Volume (mL) = 100 mcg / 50 mcg/mL
Volume (mL) = 2 mL
Therefore, the nurse should administer 2 mL of fentanyl injection 0.05 mg/mL to the client
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2.9"]
Explanation
Let’s calculate the IV pump rate for administering dobutamine to a preterm newborn.
Step 1 is to convert the dose from mcg/kg/min to mg/kg/min. We know that 1 mg = 1000 mcg, so we have:
12 mcg/kg/min ÷ 1000 = 0.012 mg/kg/min
Step 2 is to calculate the total amount of dobutamine the newborn needs per minute:
0.012 mg/kg/min × 2 kg = 0.024 mg/min
Step 3 is to convert this to an hourly rate:
0.024 mg/min × 60 min/hr = 1.44 mg/hr
Step 4 is to calculate the volume of the solution that contains this amount of dobutamine. We know that 250 mg of dobutamine is dissolved in 500 mL of solution, so:
(1.44 mg/hr ÷ 250 mg) × 500 mL = 2.88 mL/hr
So, the nurse should set the IV pump to deliver approximately 2.9 mL/hr (rounded to the nearest tenth).
Correct Answer is C
Explanation
A. Offering the medication now to prevent saturation of the perineal pad is incorrect because the prescription specifies administering the medication only if the pad is saturated within 15 minutes. Preventative administration is not indicated.
B. Giving the medication each time the client saturates the perineal pad within 15 minutes is incorrect because the prescription states "one time only." Repeated administration is not in line with the prescription.
C. Administering the medication once if the client saturates the perineal pad within 15 minutes is correct. This interpretation aligns with the prescription's directive to give the medication one time only under the specified condition.
D. Waiting to administer the medication after the client saturates a perineal pad is incorrect because the prescription does not specify a waiting period after saturation. The medication should be given immediately if the saturation occurs within the 15-minute timeframe.
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