A nurse is preparing to administer amoxicillin 750 mg PO. Available is amoxicillin liquid suspension 250 mg/5 mL. How many mL should the nurse administer?
(Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["15"]
To calculate the amount of the amoxicillin liquid suspension that the nurse should administer, we can use the following formula:
Amount to administer (mL) = (Desired dose in mg) / (Amount of drug in 1 mL)
Given:
Desired dose = 750 mg
Amount of drug in 1 mL = 250 mg/5 mL = 50 mg/mL
Now, let's calculate the amount to administer:
Amount to administer (mL) = 750 mg / 50 mg/mL
Amount to administer (mL) = 15 mL
Rounding to the nearest whole number, the nurse should administer 15 mL of the amoxicillin liquid suspension.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2.8"]
Explanation
Convert the patient's weight from pounds to kilograms:
154 lb ÷ 2.2 = 70 kg
Calculate the dose of pentamidine:
4 mg/kg × 70 kg = 280 mg
Determine the volume to be administered:
We have 100 mg/mL concentration of pentamidine.
280 mg ÷ 100 mg/mL = 2.8 mL
Therefore, the nurse should administer 2.8 mL of pentamidine to the client.
Correct Answer is ["2.1"]
Explanation
To calculate the amount of tobramycin that the nurse should administer per dose, we can use the following steps:
Calculate the total daily dosage required based on the client's weight and the prescribed dosage.
Determine the dosage per each of the three divided doses.
Calculate the volume of the drug needed for each dose using the concentration of the available tobramycin solution.
Given:
Client's weight = 85 kg
Prescribed dosage = 3 mg/kg/day
Available concentration of tobramycin = 40 mg/mL
Let's calculate step by step:
Calculate the total daily dosage required:
Total daily dosage = 3 mg/kg/day × 85 kg = 255 mg/day
Determine the dosage per each of the three divided doses:
Dosage per dose = Total daily dosage / 3 = 255 mg / 3 = 85 mg
Calculate the volume of the drug needed for each dose using the concentration of the available tobramycin solution:
Volume of drug per dose = Dosage per dose / Concentration of tobramycin
Volume of drug per dose = 85 mg / 40 mg/mL ≈ 2.1 mL
Rounding to the nearest tenth, the nurse should administer 2.1 mL of the tobramycin per dose.
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