Questions: Question 16
Calculate the number of tablets required for each dose based on the following order and availability.
Order: Amoxicillin 1 g PO q 12 h
Available: Amoxicillin 500-mg / tablet
Transcript text: Question 16
Calculate the number of tablets required for each dose based on the following order and availability.
Order: Amoxicillin $1 \mathrm{~g} \mathrm{PO} q 12 \mathrm{~h}$
Available: Amoxicillin 500-mg / tablet
0.5
4
2.5
2
Solution
The answer is the last one (2): 2 tablets.
Explanation:
Order: The prescription is for Amoxicillin 1 gram (1 g) to be taken orally (PO) every 12 hours (q 12 h).
Available: The available tablets are 500 mg each.
To determine how many tablets are needed for each dose, we need to convert the ordered dose from grams to milligrams because the available tablets are measured in milligrams.
1 gram (g) = 1000 milligrams (mg)
Therefore, the ordered dose is 1000 mg.
Since each tablet contains 500 mg, we calculate the number of tablets required by dividing the total required dose by the amount per tablet: