Respiratory disorders (35) Flashcards
1
Q
What is chronic bronchitis?
A
- airway inflammation
- narrow airway
- mucus hypersecretion
2
Q
What is emphysema?
A
dec. surface area for gas exchange of bc damaged alveoli
3
Q
How does a mucus plug contribute to hyperinflated lungs?
A
- hypersecretion of mucus dec. lumen of airway
- water tension between mucus makes it stick together into a mucus plug
- difficult to exhale air in lungs, so greater residual volume
4
Q
What 3 features demonstrate hyperinflation on an X-ray?
A
- lungs further down
- lateral border curved
- clavicles flatter
