10 Questions
What is the major etiologic factor shared by emphysema and chronic bronchitis in patients with COPD?
Cigarette smoking
How is asthma distinguished from chronic bronchitis and emphysema?
Reversible bronchospasm
What percentage of heavy smokers develop COPD?
40%
What is the irreversible enlargement of airspaces distal to the terminal bronchiole accompanied by destruction of their walls known as?
Emphysema
According to the World Health Organization (WHO), how is COPD defined?
A common, preventable and treatable disease characterized by persistent respiratory symptoms and airflow limitation
Which type of emphysema is associated with α1-antitrypsin deficiency?
Panacinar
In which type of emphysema are the central or proximal parts of the acini affected, while distal alveoli are spared?
Centriacinar
Which type of emphysema is characterized by the distal portion of the acinus being predominantly involved?
Distal acinar
In which type of emphysema is the airspace enlargement almost invariably associated with scarring?
Irregular
Which type of emphysema tends to occur more commonly in heavy smokers with COPD?
Centriacinar
Learn about common obstructive lung diseases including COPD, asthma, and bronchiectasis. Understand the major clinicopathologic manifestations of COPD such as emphysema and chronic bronchitis, as well as the distinguishing features of asthma like reversible bronchospasm.
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