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Lesson 9.1: The Health Effects of Tobacco | Check Your Understanding

1. The addictive, toxic substance present in all tobacco products is called _____.
     A. nicotine B. tar C. adrenaline D. carbon monoxide
2. A _____ is a cancer-causing agent.
     A. carcinogen B. stimulant C. blood clot D. leukoplakia
3. Which of the following is not a form of smokeless tobacco?
     A. chewing tobacco B. snuff C. hookah D. dissolvable tobacco
4. The condition characterized by thickened, white, leathery-looking spots on the inside of the mouth is called _____.
     A. chronic bronchitis B. emphysema C. gum disease D. leukoplakia
5. True or false? Exposure to secondhand smoke does not have major health consequences.
     A. True B. False
6. Critical Thinking. If you had a close friend or family member who smoked, how might you advise him or her to quit smoking?
   

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