A pharmacy technician is calculating the days supply for a 5 ml eye drops bottle.  the prescription instructs the patient to instill 1 drop in each eye twice daily. which of the following is the days supply for this bottle?

To calculate the days' supply for a 5 mL bottle of eye drops, follow these steps:

1. **Determine the total number of drops in the bottle**:
   - Most eye drop bottles dispense approximately 20 drops per mL.
   - Therefore, the total number of drops in a 5 mL bottle is:
   
   \[
   5 \, \text{mL} \times 20 \, \text{drops/mL} = 100 \, \text{drops}
   \]

2. **Determine the daily usage**:
   - The prescription instructs the patient to instill 1 drop in each eye twice daily.
   - That means the patient uses \( 2 \text{ eyes} \times 1 \text{ drop/eye} \times 2 \text{ times/day} = 4 \text{ drops/day} \).

3. **Calculate the days' supply**:
   - The days' supply is the total number of drops in the bottle divided by the number of drops used per day:
   
   \[
   \text{Days' supply} = \frac{100 \text{ drops}}{4 \text{ drops/day}} = 25 \text{ days}
   \]

So, the **days' supply** for the 5 mL bottle of eye drops is **25 days**.

Would you like more details or have any questions about this calculation? Here are some related questions for further exploration:

1. How many days will a 10 mL bottle of eye drops last if the same dosage is prescribed?
2. If the dosage is increased to 1 drop in each eye three times daily, how does the days' supply change?
3. How many bottles are needed for a 60-day supply of the same prescription?
4. What is the total number of drops in a 15 mL bottle?
5. How many days will the 5 mL bottle last if only one eye is being treated with 1 drop twice daily?
6. What is the daily usage if the patient is prescribed 2 drops in each eye twice daily?
7. If the patient uses the drops for only one eye, how does the days' supply change for the 5 mL bottle?
8. How would the days' supply be affected if the bottle dispenses 15 drops per mL instead of 20?

**Tip:** When calculating days' supply for liquid medications like eye drops, always check the number of drops per mL, as this can vary depending on the bottle or manufacturer.

A pharmacy technician is calculating the days supply for a 5 ml eye drops bottle. The prescription instructs the patient to instill 1 drop in each eye twice daily. Which of the following is the days supply for this bottle?

Learn how to calculate the days' supply for a 5 mL bottle of eye drops prescribed to instill 1 drop in each eye twice daily. This example covers basic arithmetic, including finding the total drops and daily usage. Suitable for students in Grades 9-12 and pharmacy professionals.

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