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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.64"]
Explanation
Here's how to calculate the volume of methylprednisolone the nurse should administer:
1. We know:
Dose to administer: 40 mg (given)
Concentration of the medication: 125 mg per 2 mL (given from the vial label)
2. We need to find:
Volume of medication to administer (mL)
Calculation:
We can set up a proportion to find the volume needed for the desired dose:
Desired dose (mg) / Volume to administer (mL) = Concentration (mg/mL)
Rearrange the formula to solve for the volume:
Volume to administer (mL) = Desired dose (mg) / Concentration (mg/mL)
Plug in the values:
Volume to administer (mL) = 40 mg / (125 mg/2 mL)
Important note: We can divide the concentration by 2 mL because we only need the medication concentration, not the total volume in the vial (which is 2 mL).
Volume to administer (mL) = 40 mg / 62.5 mg/mL (round the concentration to nearest tenth for easier calculation)
Volume to administer (mL) = 0.64 mL (round to nearest hundredth)
Therefore, the nurse should administer 0.64 mL of methylprednisolone.
Correct Answer is ["111"]
Explanation
Here's how to calculate the infusion rate (mL/hour) for the normal saline administration:
We know:
Total volume of normal saline solution: 1 liter (given) = 1000 mL (convert liters to mL)
Infusion time: 9 hours (given)
We need to find:
Infusion rate (mL/hour)
Calculation:
Infusion rate (mL/hour) = Total volume of solution (mL) / Infusion time (hours)
Infusion rate (mL/hour) = 1000 mL / 9 hours
Infusion rate (mL/hour) = 111.11 mL/hour (round to nearest whole number)
Therefore, the nurse should program the infusion pump to deliver 111 mL/hour.
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