Obstructive lung diseases

Question 0

COPD is associated with

Answer 0

Abnormal inflammation

Question 1

What is COPD?

Answer 1

Characterized by progressive airflow limitation

Question 2

Group of disorders

Answer 2

Chronic Bronchitis

Emphysema

Question 3

Clinical Manifestations of chronic bronchitis and emphysema?

Answer 3

Cough
Dyspnea
Prolonged expiration
Barrel chest

Question 4

What is chronic bronchitis?

Answer 4

Hyper secretion of mucus & chronic productive cough.

Question 5

Causes of Chronic bronchitis

Answer 5

Tobacco smoke
Occupational dust
Air pollution

Question 6

Pathophysiology of CB

Answer 6

1. Inhaled irritant causes airway inflammation.
2. Bronchial edema & mucus glands affected.
3. Production of lrg amts of mucus.
4. Defense mechanism of lungs compromised as well.

Question 7

What is emphysema?

Answer 7

Abnormal enlargement & destruction of airways and alveoli.

Obstruction results from changes in lung tissue, instead of inflammation and mucus production.

Question 8

Causes of emphysema

Answer 8

Inherited deficiency of alpha 1-anti-trypsin enzyme.

Cigarette smoke/air pollutants.

Question 9

What is the pathophysiology of emphysema?

Answer 9

1. Destruction of the alveolar wall & the loss of elastic recoil.
2. Difficulty expiring air, leading toast trapping.
3. Increased WOB, hypoventilation