CVS Pharmacy Technician Certification Practice Test

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A prescription for Amoxicillin 250mg/5ml with a dose of 250mg three times a day for 10 days would require what total volume of Amoxicillin?

100ml
150ml
200ml
250ml

The correct answer is: 150ml

To determine the total volume of Amoxicillin required for the prescribed dosage, we begin by calculating the daily total dose. The prescription indicates a dose of 250 mg three times a day. Therefore, the total daily dose can be calculated as follows: 250 mg (per dose) x 3 doses per day = 750 mg per day. Next, we need to find the total amount needed for the entire treatment duration of 10 days: 750 mg per day x 10 days = 7500 mg. Since the concentration of Amoxicillin is given as 250 mg per 5 ml, we must first figure out how many milligrams there are in 1 ml: 250 mg / 5 ml = 50 mg/ml. Now, we can determine the total volume needed in milliliters for 7500 mg: 7500 mg ÷ 50 mg/ml = 150 ml. Therefore, the patient will need a total of 150 ml of Amoxicillin for the entire treatment of 10 days, making this the correct answer.