The nurse is preparing to administer enoxaparin 90 mg SUBQ daily to a client admitted with a pulmonary embolism. The pharmacy provides a prefilled syringe labeled, “Enoxaparin 100 mg/1 mL.” How many mL should the nurse administer? (Enter numeric value only.)
The Correct Answer is ["0.9"]
Calculation:
Identify the desired dose:
Desired dose = 90 mg
Identify the available concentration:
Available concentration = 100 mg / 1 mL
Calculate the volume to administer:
Volume (mL) = Desired dose (mg) / Available concentration (mg/mL)
= 90 mg / 100 mg/mL
= 0.9 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.7"]
Explanation
Calculation:
Desired dose = 410 mcg
Available concentration = 600 mcg/mL
Calculate the volume to administer:
Volume to administer (mL) = Desired dose (mcg) / Available concentration (mcg/mL)
= 410 mcg / 600 mcg/mL
≈ 0.6833 mL
Round to the nearest tenth:
Rounded volume = 0.7 mL
Correct Answer is ["21"]
Explanation
Calculation:
Total volume to be infused = 250 mL
Identify the infusion time in minutes:
Infusion time = 2 hours x 60 minutes/hour = 120 minutes
Drop factor of the IV administration set = 10 gtt/mL
Calculate the total number of drops to be infused:
Total drops = Total volume (mL) x Drop factor (gtt/mL)
= 250 mL x 10 gtt/mL
= 2500 gtt
Calculate the infusion rate in drops per minute (gtt/min):
Infusion rate (gtt/min) = Total drops / Infusion time (minutes)
= 2500 gtt / 120 minutes
=20.83 gtt/minute
Round to the nearest whole number:
= 21 gtt/minute
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