The mother of a 13-year-old child who is diagnosed with external otitis tells the nurse her child spends a lot of time swimming. Which information is most important for the nurse to discuss with the...

The mother of a 13-year-old child who is diagnosed with external otitis tells the nurse her child spends a lot of time swimming. Which information is most important for the nurse to discuss with the mother

1. Insert silicone earplugs prior to entering the water.

2. Administer a drying agent in the ear canal after swimming.

3. Wear a tight-fitting swim cap, especially in cold water.

4. Tilt the head to allow water to drain from the ear.