A nurse is preparing to administer eptifibatide 0.18 mg/kg IV bolus to a client who weighs 212 lb. Available is eptifibatide 20 mg/10 ml - How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["8.7"]
Convert the Client's Weight from Pounds to Kilograms:
1 kg = 2.205 lbs
Weight in kg = 212 lbs / 2.205 lbs/kg
Weight in kg ≈ 96.145 kg
Calculate the Total Dose of Eptifibatide Needed:
Dose = 0.18 mg/kg x 96.145 kg
Dose ≈ 17.306 mg
Calculate the Volume of Eptifibatide to Administer:
Available concentration = 20 mg/10 mL
To simplify, we can find the concentration per 1 mL: 20 mg / 10 mL = 2 mg/mL
Volume (mL) = Desired dose (mg) / Available concentration (mg/mL)
Volume (mL) = 17.306 mg / 2 mg/mL
Volume (mL) ≈ 8.653 mL
Round to the Nearest Tenth:
8.7 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. The medication can be used for up to 14 days after reconstitution: The label states that the reconstituted solution should be used within 48 hours and discarded afterward, making this option incorrect.
B. The medication should be reconstituted with 0.9% sodium chloride solution: The label specifies that the medication should be reconstituted with bacteriostatic water for injection USP with benzyl alcohol, not 0.9% sodium chloride solution.
C. The medication can be used for IV administration: The label states that the medication is for intramuscular (IM) or intravenous (IV) use, confirming that IV administration is appropriate.
D. The vial contains a single dose: The label indicates that this is a multiple-dose vial, meaning it can be used for more than one administration.
Correct Answer is ["38"]
Explanation
Convert Grams to Milligrams:
The available lidocaine is 1 gram (g).
We need to convert this to milligrams (mg) because the dose is in mg/min.
There are 1000 milligrams in 1 gram (1 g = 1000 mg).
So, 1 g x 1000 mg/g = 1000 mg
Calculate the Lidocaine Concentration in mg/mL:
Available lidocaine: 1000 mg
Total volume: 250 mL
Concentration: 1000 mg / 250 mL = 4 mg/mL
Calculate the Lidocaine Dose in mg/hr:
Dose: 2.5 mg/min
There are 60 minutes in 1 hour.
Dose in mg/hr: 2.5 mg/min x 60 min/hr = 150 mg/hr
Calculate the Infusion Rate in mL/hr:
Concentration: 4 mg/mL
Dose in mg/hr: 150 mg/hr
Infusion Rate (mL/hr) = Dose in mg/hr / Concentration (mg/mL)
Infusion Rate (mL/hr) = 150 mg/hr / 4 mg/mL = 37.5 mL/hr
Round to the Nearest Whole Number:
38 mL/hr
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