Chronic Obstructive Pulmonary Disease Quiz Flashcards
1
Q
COPD is characterized how?
A
characterized by airflow obstruction that does not respond to bronchodilators
2
Q
Which of the following are true about Serpinal Variants? (choose all that apply)
- the major cause of COPD
- some are associated with reduced serum levels of alph-1-antitrypsin
- are rare
- have strong gene- environment- smoking interactions
- are associated with chronic bronchitis
A
- some are associated with reduced serum levels of alph-1-antitrypsin
- have strong gene- environment- smoking interactions
3
Q
Tobacco smoke promotes development of COPD by all of the following EXCEPT?
- inhibition of neutrophil elastase
- Recruitment of macrophages to the respiratory bronchioles
- Oxidation of alph-1-antitrypsin, directly and via H2O2 from macrophages, that results in inhibition of its antiproteolytic activity
- Activation of airway macrophages
A
inhibition of neutrophil elastase
4
Q
Differentiation of adult-onset asthma and COPD is what?
A
Complicated because some people may have combinations of asthma and emphysema and or chronic bronchitis
5
Q
Which of the following is NOT true about normal age related loss of lung function (FEV1)? (choose the incorrect answer)
- Can be accelerated by endotoxin exposure among pig farmers
- Can start as early as age 20
- Usually begins soon after graduation from college (i.e. about age 25)
- Never results in respiratory symptoms during the average life span
A
Never results in respiratory symptoms during the average life span