A premature infant with a birth weight of 1,200 grams is receiving beractant 120 mg intratracheal every 6 hours. Single use vials of beractant are labeled, "100 mg/4 mL." How many mL should the nurse administer? (Enter the numerical value only. If rounding is required, round to the nearest tenth.)
The Correct Answer is ["4.8"]
The vial is labeled as “100 mg per 4 mL.”
This means that each mL contains 25 mg of the medication (100 mg / 4 mL = 25 mg/mL).
The nurse needs to administer 120 mg of the medication.
To find out how many mL this is, we divide the dose by the concentration:
Volume in mL = 120 mg / 25 mg/mL = 4.8 mL
If rounding is required to the nearest tenth, the nurse should administer 4.8 mL of the medication.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1.8"]
Explanation
Here's how to calculate the volume (mL) of diazepam the nurse should administer:
Calculate the total dose of diazepam for the child:
Dose per kg: 0.3 mg/kg (given)
Child's weight: 30 kg (given)
Total dose (mg) = Dose per kg (mg/kg) x Child's weight (kg)
Total dose (mg) = 0.3 mg/kg * 30 kg
Total dose (mg) = 9 mg (round to nearest whole number)
Concentration of the medication:
The medication is available in 5 mg/mL vials (given).
Calculate the volume to administer:
Volume to administer (mL) = Total dose (mg) / Concentration (mg/mL)
Volume to administer (mL) = 9 mg / 5 mg/mL
Volume to administer (mL) = 1.8 mL (round to nearest tenth)
Therefore, the nurse should administer approximately 1.8 mL of diazepam intravenously.
Correct Answer is ["1"]
Explanation
First, let’s convert the client’s weight from pounds to kilograms since the dosage is prescribed in mcg/kg.
We know that 1 kg is approximately 2.2 lbs. So,
Weightinkg = 2.2154lbs ≈ 70kg
The prescribed dose is 1.6 mcg/kg.
Therefore, the total dose for this client would be:
Doseinmcg = 1.6mcg/kg×70kg = 112mcg
The medication is available in 112 mcg tablets.
Therefore, to administer a dose of 112 mcg, the nurse should administer 1 tablet
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