1. Secondhand smoke is:

2. Secondhand smoke is annoying, but it is not really a health concern.

3. Secondhand smoke contains more than 4,000 chemicals, including some that cause cancer in humans.

4. Children exposed to secondhand smoke are more likely to have which of the following illnesses?

5. Which one of the following is NOT another name for secondhand smoke?

6. Ventilation and separate nonsmoking sections can eliminate secondhand smoke exposure.

7. A healthy nonsmoker must be exposed to secondhand smoke for what amount of time before experiencing negative health effects?

8. Laws that limit where people can smoke and reduce secondhand smoke exposure:

9. Research shows that after laws were passed banning smoking in bars and restaurants, there was a large decline in which of the following?

10. Which of the following chemicals are in secondhand smoke?