Question

which of the following is the correct days supply for a prescription with these directions? ii tab po tid #42 7 days 21 days 14 days

Explanation:

Step1: Interpret the prescription directions

"ii tab po tid #42" means 2 tablets (ii tab) by mouth (po) three - times a day (tid) and a total of 42 tablets (#42).

Step2: Calculate the number of tablets taken per day

Number of tablets per day = 2×3 = 6 tablets.

Step3: Calculate the days' supply

Days' supply = $\frac{42}{6}=7$ days.

Answer:

7 days