Step 1 : Introduction to the question "2. Asthma is characterised by which of the following disease processes?"
...1. Inflammation of the airway/'windpipe' 2. Allergic response 3. Production of mucus and phlegm 4. All of these Asthma is an inflammatory disease. This means that the airway and small air passages in the lungs become swollen and inflamed, often as an allergic response to a "trigger". At the same time, the airways narrow, and may become clogged with sputum and mucus - yuck!
