What is the difference between specific and non-specific bronchial responsiveness?
- Specific responsiveness relates to specific stimuli, such as cold air, allergens, physical or toxic stimuli.
- Non-specific responsiveness relates to airway responses elicited by unknown stimuli.
- Specific responsiveness implies bronchoconstriction when challenged with histamine or methacholine.
- Specific bronchial responsiveness implies a bronchoconstrictive response when challenged with allergens.