The healthcare provider prescribes hydromorphone 1 mg intravenously (IV) every 3 hours for an older client after hip replacement surgery. The nurse prepares the prescribed dose from an ampule labeled, "Hydromorphone Injection 2 mg/mL." Additional instructions for opiate naive clients recommend diluting the dosage with 3 mL of sterile normal saline (NS) for IV push over 2 to 3 minutes. How many mL is the total volume of diluted medication?
(Enter the numerical value only. If rounding is required, round to the nearest tenth.)
The Correct Answer is ["3.5"]
To calculate the total volume of diluted medication, we need to use the formula:
Total volume (mL) = Drug volume (mL) + Diluent volume (mL)
First, we need to calculate the drug volume by dividing the dose by the concentration. In this case, 1 mg of hydromorphone is equivalent to 0.5 mL of hydromorphone injection.
Plugging in the given values, we get:
Total volume (mL) = 0.5 mL + 3 mL
Simplifying, we get:
Total volume (mL) = 3.5 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["30"]
Explanation
To calculate the infusion rate, we need to use the formula:
Infusion rate (mL/h) = Dose (mg/min) x Volume (mL) / Concentration (mg)
Plugging in the given values, we get:
Infusion rate (mL/h) = 2 mg/min x 60 min / 4 mg/mL
Simplifying, we get:
Infusion rate (mL/h) = 30 mL/h
Correct Answer is ["1.3"]
Explanation
To calculate the volume of filgrastim solution, we need to use the formula:
Volume (mL) = Dose (mcg) / Concentration (mcg/mL)
First, we need to calculate the dose by multiplying the prescribed rate by the weight in kilograms. To convert the weight from pounds to kilograms, we multiply by 0.454. In this case, 176 pounds is equivalent to 79.904 kg.
Plugging in the given values, we get:
Volume (mL) = 5 mcg/kg x 79.904 kg / 300 mcg/mL
Simplifying, we get:
Volume (mL) = 1.331 mL
Rounding to the nearest tenth, we get:
Volume (mL) = 1.3 mL
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