Chapter 18

1. Chronic disorder that inflames and blocks airflow, characterized by attacks of wheezing, shortness of breath, and coughing spasms
6. Functional bowel disorder caused by certain foods or stress that is characterized by nausea, pain, gas, diarrhea
7. Progressive lung disease that gradually makes it more and more difficult for a person to breathe
8. Progressive deterioration of bones and joints that has been associated with the wear-and-tear theory of aging
12. A type of headache characterized by debilitating symptoms that possibly result from alternating dilation and constriction of blood vessels
13. a chronic allergy related respiratory disorder that is most prevalent when ragweed and flowers bloom
14. condition occurring when the lining of the large intestines (colon) becomes inflamed

2. Overreaction of the immune system to a normally harmless substance in the environment
3. Inflammation of the lining of the bronchial tubes
4. generally caused by abnormal electrical activity in the brain and are characterized by loss of control of muscular activity and unconsciousness
5. Most common neurological condition in the U.S., affecting over 45 million Americans
9. A group of disorders in which the intestines become inflamed
10. Disease in which bones become brittle and weak and break easily
11. Respiratory disease in which the alveoli become distended or ruptured and are no longer functional