For an order of 500mg of Amoxicillin BID for 10 days, how much would be needed if the stock is 250mg/5ml?

Study for the Pharmacy Technician Certification Board Math Exam. Prepare with flashcards and multiple choice questions, each question includes hints and explanations. Excel in your exam!

To determine the correct amount of Amoxicillin needed for the order, first calculate the total daily dosage and then the total dosage required for the entire treatment duration.

The order specifies a dose of 500 mg to be taken twice a day (BID) for 10 days. Therefore, the daily total would be:

500 mg x 2 = 1000 mg per day.

Next, calculate the total quantity needed for the 10-day treatment:

1000 mg/day x 10 days = 10,000 mg.

Now, since the stock solution is labeled as 250 mg per 5 ml, you can figure out how many milliliters correspond to 10,000 mg. First, determine how many milliliters are required for 250 mg:

5 ml is needed for 250 mg.

To find the amount needed for 10,000 mg, set up a proportional relationship:

If 250 mg requires 5 ml,

Then 10,000 mg would require:

(10,000 mg / 250 mg) x 5 ml = 20 x 5 ml = 100 ml.

So, we know that 10,000 mg requires 100 ml.

However, since the answer family includes

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