A client receives a prescription for hydromorphone 1 mg IV every 2 to 3 hours PRN for pain. The medication is available in a 2 mg/mL vial. How many mL should the nurse administer? (Enter numerical value only.)
The Correct Answer is ["0.5"]
Calculation:
Identify the desired dose:
Desired dose = 1 mg
Available concentration = 2 mg/mL
Calculate the volume to administer:
Volume to administer (mL) = Desired dose (mg) / Available concentration (mg/mL)
= 1 mg / 2 mg/mL
= 0.5 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["250"]
Explanation
Calculation:
Total volume to be infused = 500 mL
Infusion time in hours = 2 hours
Calculate the infusion rate in mL per hour:
Infusion rate (mL/hour) = Total volume (mL) / Infusion time (hours)
= 500 mL / 2 hours
= 250 mL/hour
Correct Answer is ["1"]
Explanation
Calculation:
Desired dose = 100 mg
Available concentration = 200 mg / 2 mL
Calculate the volume to administer:
Volume to administer (mL) = Desired dose (mg) / Available concentration (mg/mL)
= 100 mg / (200 mg / 2 mL)
= 100 mg / 100 mg/mL
= 1 mL
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