Question

lesson quiz
13 - 2 a
in the space, write the word(s) from the list that best completes each statement.

1. tobacco smoke damages ______________ in the lungs.
2. using tobacco reduces the amount of ______________ that reaches the brain.
3. ______________ is a disease that causes the destruction of the alveoli in the lungs.
4. all forms of tobacco increase the risk of ______________ and gum disease.
5. ______________ are tiny air sacs in the lungs.
6. tobacco users have twice the risk of ______________ as those who do not use tobacco.

read the statements below. if the statement is true, write (+) in the space provided. if the statement is false, write (0) in the space provided. then answer each item as directed.
______ 7. nicotine causes the heart to work harder and blood vessels narrow, or constrict.
______ 8. nicotine use can cause cravings, which makes the user want more and more of the substance.
______ 9. the skin can age more slowly as a result of nicotine use.
______ 10. almost 90 percent of lung cancer deaths are caused by smoking.
score (number correct 10 points)

Explanation:

1. Tobacco smoke damages the air - sacs (alveoli) in the lungs.
2. Using tobacco reduces the amount of oxygen that reaches the brain.
3. Emphysema is a disease that causes the destruction of the alveoli in the lungs.
4. All forms of tobacco increase the risk of cavities and gum disease.
5. Alveoli are tiny air - sacs in the lungs.
6. Tobacco users have twice the risk of bladder cancer as those who do not use tobacco.
7. Nicotine causes the heart to work harder and blood vessels narrow, or constrict, so it's true (+).
8. Nicotine use can cause cravings, which makes the user want more and more of the substance, so it's true (+).
9. The skin can age more quickly as a result of nicotine use, so the statement "The skin can age more slowly as a result of nicotine use" is false (0).
10. Almost 90 percent of lung cancer deaths are caused by smoking, so it's true (+).

Answer:

1. air sacs
2. oxygen
3. emphysema
4. cavities
5. alveoli
6. bladder cancer
7. +
8. +
9. 0
10. +