Question

a pharmacy technician is entering a prescription for an inhaler that has 120 metered doses and instructions to take 2 puffs by mouth twice daily. the technician should identify that which of the following is the days supply for this prescription?

10 days
20 days
15 days
30 days

Explanation:

Calculate daily dose

Using the Days Supply Calculation knowledge point

$$ \text{Daily Dose} = 2\text{ puffs} \times 2\text{ times/day} = 4\text{ puffs/day} $$

Calculate days' supply

Using the Days Supply Calculation knowledge point

$$ \text{Days' Supply} = \frac{120\text{ metered doses}}{4\text{ puffs/day}} = 30\text{ days} $$

Answer:

• 10 days
• 20 days
• 15 days
• 30 days (Correct answer)