The healthcare provider prescribes enoxaparin sodium 1 mg/kg SUBQ every 12 hours for a client who weighs 132 lb. The vial is labeled, "Enoxaparin Sodium Injection, USP 100 mg per mL." How many mL should the nurse administer? (Enter numerical value only. If rounding is required, round to the nearest tenth.)
The Correct Answer is ["0.6"]
Here's the corrected calculation for the volume to be administered:
Dosage: 60 mg
Concentration: 100 mg/mL
Volume to administer:
Volume (mL) = Dosage (mg) / Concentration (mg/mL)
Volume (mL) = 60 mg / 100 mg/mL
Volume (mL) = 0.6 mL
Therefore, the nurse should administer 0.6 mL of enoxaparin sodium injection.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["440"]
Explanation
While the primary infusion rate (dextrose 5% in water) and the total volume of pantoprazole solution are provided, the pantoprazole infusion doesn't directly affect the rate of the primary DSW infusion.
Here's the breakdown:
Primary Infusion:
Dextrose 5% in water (DSW) at 125 mL/hour (given) - This rate remains constant throughout the secondary infusion.
Secondary Infusion:
Pantoprazole 40 mg total dose (given)
Premixed solution volume: 110 mL (given)
Infusion duration: 15 minutes (given) = 0.25 hours (convert minutes to hours)
The nurse programs the secondary infusion pump to deliver the 110 mL pantoprazole solution over 0.25 hours, independent of the primary DSW infusion.
Therefore, the nurse should program the secondary infusion pump to deliver a rate of:
Delivery rate (mL/hour) = Total volume (mL) / Infusion time (hours)
Delivery rate (mL/hour) = 110 mL / 0.25 hours
Delivery rate (mL/hour) = 440 mL/hour (This is the rate for the pantoprazole solution only)
In conclusion:
The primary DSW infusion rate remains at 125 mL/hour.
The secondary pantoprazole infusion rate is 440 mL/hour, but it delivers the total dose (110 mL) over the 15-minute timeframe.
Correct Answer is ["1.20"]
Explanation
First, we need to convert the client’s weight from pounds to kilograms since the dosage is prescribed in mg/kg. We know that 1 kg is approximately 2.20462 pounds. So,
Weightinkg = Weightinpounds / 2.20462 = 132/ 2.20462 ≈ 59.87kg
The prescribed dosage is 1 mg/kg every 12 hours, so the total daily dosage (for 24 hours) in mg would be:
Dailydosageinmg= 2 × (Dosageperkg × Weightinkg) = 2 × (1mg/kg × 59.87kg) ≈ 119.74mg
The medication is available in a concentration of 60 mg/0.6 mL, which simplifies to 100 mg/mL. Therefore, the volume to be administered per day in mL would be:
VolumeinmL=Dailydosageinmg/ Concentrationinmg/mL = 119.74mg / 100mg/mL ≈ 1.20mL
So, the nurse should administer approximately 1.20 mL of enoxaparin per day. Always consult with a healthcare professional for accurate information.
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