A nurse will administer Nubain (nalbuphine) 0.3 mg/kg IV over 10 minutes. The Nubain is available in 10 mg/mL. The patient weighs 148 lb.
How many milliliters per minute of Nubain should the nurse administer?
0.2 mL/min
0.4 mL/min
1 mL/min
2 mL/min
2 mL/min
The Correct Answer is A
The patient is ordered to receive 0.3 mg/kg of Nubain IV over 10 minutes. The patient weighs 148 lb, which is equivalent to 67.3 kg. To calculate the total amount of Nubain the patient should receive, multiply the weight by the dosage:
67.3 kg x 0.3 mg/kg = 20.19 mg
The Nubain is available in 10 mg/mL, which means there is 10 mg of Nubain in 1 mL of solution. To calculate how many milliliters of Nubain the patient should receive, divide the total amount of Nubain by the concentration:
20.19 mg / 10 mg per mL = 2.019 mL
To calculate how many milliliters per minute the nurse should administer, divide the total volume of Nubain by the infusion time:
2.019 mL / 10 minutes = 0.2019 mL per minute
Rounding to one decimal place, the nurse should administer 0.2 mL of Nubain per minute to the patient.
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Related Questions
Correct Answer is A
Explanation
First, we need to convert the weight of the child from pounds to kilograms:. 44 lb / 2.2046 = 19.958 kg (rounded to three decimal places).
Next, we can calculate the dose of glycopyrrolate:. 0.02 mg/kg x 19.958 kg = 0.39916 mg.
We should always check our calculation and verify that the dose is appropriate and safe for the child. In this case, the dose of 0.39916 mg seems reasonable for a child with chronic severe drooling..
Now, we need to determine how much medication to administer to the child. We know that 5 mL of medication contains 1 mg of drug. Therefore, to administer 0.39916 mg of glycopyrrolate, we need to administer:
(0.39916 mg / 1 mg) x 5 mL = 1.9958 mL.
We should round this dose to the nearest appropriate unit of measure. In this case, we can round to 2 mL to make it easier to measure and administer..
Therefore, the nurse should administer 2 mL of glycopyrrolate to the child three times a day (tid) to treat chronic severe drooling.
Correct Answer is D
Explanation
To calculate the amount of magnesium sulfate to be added to the normal saline, we can use the formula:
Concentration = Dose / Volume Plugging in the given values, we get:
Concentration = 2 g / 50 mL Simplifying, we get:
Concentration = 0.04 g/mL
To find the amount of magnesium sulfate needed for 1000 mL of normal saline, we can multiply the concentration by the volume:
Amount = Concentration × Volume Amount = 0.04 g/mL × 1000 mL Amount = 40 g
Therefore, 40 g of magnesium sulfate must be added to 1000 mL of normal saline to provide the ordered infusion.
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