chapter 25 quiz review

Emphysema is defined as:

Destruction of the alveolar walls w/o fibrosis

Approximately how many Americans are affected by COPD?

24 Million

The mechanism of airway obstruction in COPD include:

Inflammation and Obstruction of small airway, loss of elasticity, active bronchospasm

Where does COPD rank among the leading causes of death in the U.S.A

Third

Approximately how many individuals died in the U.S.A in 2008

145,000

What is the leading risk factor for the development of COPD

Cigarette smoking

What % of all cases of COPD is caused by Alpha1-Antitrypsin Deficiency

2-3%

What is the critical AAT level below which lung elastin is attacked and broken down

57 mg/Dl

Which airways are most susceptible to airway obstruction in patients with COPD

Small

Which of the following signs associated with COPD is considered a late manifestation

Frequent coughing