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Questions and Answers
What is the major etiologic factor shared by emphysema and chronic bronchitis in patients with COPD?
What is the major etiologic factor shared by emphysema and chronic bronchitis in patients with COPD?
- Asthma
- Exposure to noxious particles or gases
- Cigarette smoking (correct)
- Reversible bronchospasm
How is asthma distinguished from chronic bronchitis and emphysema?
How is asthma distinguished from chronic bronchitis and emphysema?
- Reversible bronchospasm (correct)
- Exposure to noxious particles or gases
- Cigarette smoking
- Persistent respiratory symptoms
What percentage of heavy smokers develop COPD?
What percentage of heavy smokers develop COPD?
- 20%
- 45%
- 55%
- 40% (correct)
What is the irreversible enlargement of airspaces distal to the terminal bronchiole accompanied by destruction of their walls known as?
What is the irreversible enlargement of airspaces distal to the terminal bronchiole accompanied by destruction of their walls known as?
According to the World Health Organization (WHO), how is COPD defined?
According to the World Health Organization (WHO), how is COPD defined?
Which type of emphysema is associated with α1-antitrypsin deficiency?
Which type of emphysema is associated with α1-antitrypsin deficiency?
In which type of emphysema are the central or proximal parts of the acini affected, while distal alveoli are spared?
In which type of emphysema are the central or proximal parts of the acini affected, while distal alveoli are spared?
Which type of emphysema is characterized by the distal portion of the acinus being predominantly involved?
Which type of emphysema is characterized by the distal portion of the acinus being predominantly involved?
In which type of emphysema is the airspace enlargement almost invariably associated with scarring?
In which type of emphysema is the airspace enlargement almost invariably associated with scarring?
Which type of emphysema tends to occur more commonly in heavy smokers with COPD?
Which type of emphysema tends to occur more commonly in heavy smokers with COPD?
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