A nurse is preparing to administer amphotericin B lipid complex 3.75 mg/kg via intermittent IV bolus to a client who weighs 167 lb. Available is amphotericin B lipid complex 300 mg in 300 mL of dextrose 5% in water. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies.)
The Correct Answer is ["285"]
Calculation:
Convert the client's weight from pounds (lbs) to kilograms (kg):
Formula: Weight in kg = Weight in lbs / 2.2 lbs/kg
= 167 lbs / 2.2 lbs/kg
≈ 75.91 kg
Calculate the total dose of amphotericin B lipid complex needed:
Ordered dose: 3.75 mg/kg
Client's weight in kg: ≈ 75.91 kg
Formula: Total dose (mg) = Ordered dose (mg/kg) × Client's weight (kg)
= 3.75 mg/kg × 75.91 kg
≈ 284.66 mg
Determine the concentration of the available amphotericin B lipid complex solution:
Available amount: 300 mg
Volume of solution: 300 mL
Formula: Concentration (mg/mL) = Total amount (mg) / Total volume (mL)
= 300 mg / 300 mL
= 1 mg/mL
Calculate the volume of solution to administer:
Formula: Volume to administer (mL) = Desired dose (mg) / Concentration (mg/mL)
= 284.66 mg / 1 mg/mL
= 284.66 mL
Round the answer to the nearest whole number:
284.66 mL rounded to the nearest whole number is 285 mL.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2.5"]
Explanation
Calculation:
Ordered dose: 5 mg
Available strength: 2 mg per tablet
Calculate the number of tablets needed:
Formula: Number of tablets = Desired dose / Available dose per tablet
= 5 mg / 2 mg/tablet
= 2.5 tablets
Correct Answer is C
Explanation
A. The medication is for IV administration: The label clearly indicates that this is an oral suspension and not for intravenous (IV) use.
B. The medication should not be stored below 30°C (86°F): The label specifies that the medication should be stored below 30°C (86°F), but it does not imply that storing it below this temperature would be harmful, making this option incorrect.
C. The total amount available per container is 4 mL: The label clearly states that each container delivers 4 mL of the medication, making this the correct answer.
D. The nurse should avoid shaking the medication: The label explicitly instructs to shake well before using, so the nurse should shake the medication.
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