Arizona Caregiver Certification – Free Practice Test & Study Guide (2025)

Question: 1 / 400

The Physician orders 500mg of amoxicillin to be given in an oral suspension. The unit dose is 250mg per 5 ml. What should you administer?

3 ml

5 ml

10 ml

To determine the correct volume of the oral suspension to administer, we need to consider the dosage prescribed and the concentration of the medication in the suspension.

The physician has ordered 500mg of amoxicillin. The unit dose available is 250mg per 5 ml, which translates to a concentration of 50mg per ml (since 250mg divided by 5ml equals 50mg/ml).

Next, we can calculate how many milliliters are needed to deliver the required 500mg dose. To do this, we can use the formula:

Volume to administer (in ml) = Desired dose (in mg) / Concentration (in mg/ml)

Substituting the values we have:

Volume to administer = 500mg / 50mg/ml = 10ml

Therefore, administering 10ml of the oral suspension will provide the correct dosage of 500mg of amoxicillin. This is why the answer is correct; it accurately reflects the amount needed in order to meet the physician's order based on the provided concentration of the medication.

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15 ml

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