While the nurse is working in a homeless shelter, assessment of a 6- month-old infant reveals a respiratory rate of 52 breaths/min, retractions, and wheezing. The mother states that her infant was...

While the nurse is working in a homeless shelter, assessment of a 6- month-old infant reveals a respiratory rate of 52 breaths/min, retractions, and wheezing. The mother states that her infant was doing fine until yesterday. Which of the following actions would be most appropriate?

1. Administer a nebulizer treatment.

2. Send the infant for a chest radiograph.

3. Refer the infant to the emergency department.

4. Provide teaching about cold care to the mother.