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Questions and Answers
What is the defining characteristic of asthma according to the provided text?
What is the defining characteristic of asthma according to the provided text?
- Intermittent narrowing of the bronchi
- Recurrent and reversible obstruction of the airways (correct)
- Permanent obstruction of the airways
- Irreversible narrowing of the bronchioles
What is the distribution of bronchial hyperreactivity in the general population?
What is the distribution of bronchial hyperreactivity in the general population?
- Multimodal
- Bimodal
- Normal
- Unimodal (correct)
What mediators are involved in the inflammatory changes in the airways during asthma pathophysiology?
What mediators are involved in the inflammatory changes in the airways during asthma pathophysiology?
- Histamine and serotonin
- Cytokines IL-1 and IL-6
- Neuropeptides and bradykinin
- Leukotrienes and PAF (correct)
Which cells are recruited to the airways during asthma pathophysiology?
Which cells are recruited to the airways during asthma pathophysiology?
What is one common trigger for bronchospasm in individuals with asthma?
What is one common trigger for bronchospasm in individuals with asthma?
What effect does inhalation of an allergen have on airway smooth muscle in individuals with asthma?
What effect does inhalation of an allergen have on airway smooth muscle in individuals with asthma?
What is the range of heritability percentage in asthma susceptibility studies?
What is the range of heritability percentage in asthma susceptibility studies?
Which gene was the first to be identified as an asthma susceptibility gene?
Which gene was the first to be identified as an asthma susceptibility gene?
Which category of genes are associated with Th2 cell signaling in asthma susceptibility?
Which category of genes are associated with Th2 cell signaling in asthma susceptibility?
Which chromosomal location is associated with asthma susceptibility according to GWAS?
Which chromosomal location is associated with asthma susceptibility according to GWAS?
Which factor plays a role in lung development in relation to asthma susceptibility?
Which factor plays a role in lung development in relation to asthma susceptibility?
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