Amoxicillin 500 mg PO every 8 hours is prescribed for a client with an infection. The drug is available in a suspension of 125 mg/5ml. How many ml should the nurse administer with each dose?
100 ml.
4 ml.
20 ml.
10 ml.
The Correct Answer is C
To calculate the volume of amoxicillin to be administered, we can use the following formula:
Volume (mL) = Desired Dose (mg) / Concentration (mg/mL)
Plugging in the given values:
Volume (mL) = 500 mg / 125 mg/mL
Calculating the result:
Volume (mL) = 20 mL
Therefore, the nurse should administer 20 mL of amoxicillin.
The correct answer is C. 20 ml.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["160"]
Explanation
Calculate the average hourly NGT output:
Average Hourly NGT Output = Total NGT Output / Number of Hours
Average Hourly NGT Output = 240 mL / 4 hours
Average Hourly NGT Output = 60 mL/hour
Adjust the IV rate:
New IV Rate = Current IV Rate + Average Hourly NGT Output
New IV Rate = 100 mL/hour + 60 mL/hour
New IV Rate = 160 mL/hour
Therefore, the nurse should regulate the IV to deliver 160 mL/hour to replace the fluid loss.
Correct Answer is ["16.8"]
Explanation
To calculate the volume of IV solution needed to dilute the nafcillin, we'll follow these steps:
Step 1: Calculate the total volume of the diluted solution:
Desired Concentration (mg/mL) = Prescribed Dose (mg) / Total Volume (mL)
Rearranging the formula to solve for Total Volume:
Total Volume (mL) = Prescribed Dose (mg) / Desired Concentration (mg/mL)
Total Volume = 800 mg / 40 mg/mL
Total Volume = 20 mL
Step 2: Calculate the volume of nafcillin solution to be added:
Volume of Nafcillin Solution = Prescribed Dose (mg) / Concentration of Nafcillin (mg/mL)
Volume of Nafcillin Solution = 800 mg / 250 mg/mL
Volume of Nafcillin Solution = 3.2 mL
Step 3: Calculate the volume of IV solution needed to dilute:
Volume of IV Solution = Total Volume - Volume of Nafcillin Solution
Volume of IV Solution = 20 mL - 3.2 mL
Volume of IV Solution = 16.8 mL
Therefore, the nurse should add 16.8 mL of IV solution to the volume control device to dilute the nafcillin.
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