Asthma Flashcards
0
Q
Examples of aetiological agents that trigger asthma
A
- Inhaled substances (pollen, dust, etc.)
- Ingested substances (food, drugs)
- Lung infections
- Exercise
- Emotional stress
- Cold air
1
Q
Definition of asthma
A
Bronchoconstriction that is episodic and reversible
2
Q
Best studied mechanism of asthma
A
Type I hypersensitivity reaction
3
Q
Typical asthma symptoms
A
- Breathlessness
- Wheezing
- Cough
4
Q
Causes of obstruction in asthma
A
- Bronchial smooth muscle contraction
- Increased mucus production
- Increased vascular permeability causing oedema
