Lung Disease Flashcards
What is pulmonary fibrosis
It arises when scars form on the endothelium of the lungs causing them to become irreversibly thickened.
What is asthma
Allergens cause white blood cells on the linings of the bronchi and bronchioles to release a chemical called histamine. This makes ventilation difficult
What are the symptoms of asthma
Difficulty breathing
A wheezing sound when breathing
A tight feeling in the chest
Coughing
What is emphysema
Lungs contain elastin. This elastin becomes per neatly stretched and lands are no longer able to force air out. This also reduces the surface area of the alveoli.
What are the symptoms of emphysema
Shortness of breath
Chronic cough
Bluish skin coloration
What lifestyle factor will cause emphysema
Smoking
Over what period of time does the emphysema develop
20 years
What are the symptoms of pulmonary fibrosis
Shortness of breath especially when exercising
Chronic dry cough
Pain and discomfort in the chest
Weakness and fatigue