When teaching a class about potential exposure to radiation, the nurse tells the students that it is important to minimize external contamination. Which actions best accomplish this? Select all that...

When teaching a class about potential exposure to radiation, the nurse tells the students that it is important to minimize external contamination. Which actions best accomplish this? Select all that apply.

1. Do not go to a shelter.

2. Keep contaminated clothes nearby.

3. Seal windows with plastic sheeting and duct tape.

4. Stay indoors until danger has passed.

5. Wash liberally with soap and water.