A nurse is preparing to administer acetaminophen 56 mg PO to a newborn.Available is acetaminophen oral solution 160 mg/5 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 ["1.8"]
Dose = Desired dose / Available dose x Volume Therefore;
Dose = (56 mg / 160 mg) x 5 mL Therefore;
Dose = 0.35 x 5 mL Dose = 1.75 mL
Round to the nearest tenth: Dose = 1.8 mL
The nurse should administer 1.8 mL
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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 ["167"]
Explanation
To find the infusion rate in mL/hr, divide the total volume of fluid by the total time of infusion.
Total volume of fluid = 1,000 mL Total time of infusion = 6 hr
Infusion rate = 1,000 mL / 6 hr = 166.67 mL/hr
Round the answer to the nearest whole number: 167 mL/hr
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