Understanding Asthma: Pathophysiology and Phenotypes

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Questions and Answers

What is the characteristic triad of symptoms associated with asthma?

  • Fever, fatigue, and joint pain
  • Rash, swelling, and itching
  • Breathlessness, cough, and wheezing (correct)
  • Headache, nausea, and dizziness

Which phenotype of asthma is characterized by a personal or family history of allergic asthma and co-occurrence with allergic rhinitis and atopic dermatitis?

  • Eosinophilic asthma
  • Non-allergic asthma
  • Occupational asthma
  • Allergic asthma (correct)

What is the immunologic hallmark of allergic asthma?

  • Elevated induced sputum eosinophils
  • High levels of eosinophilic inflammation
  • High levels of allergen-specific IgE (correct)
  • Blood eosinophil count of ≥300 cells/μL

How is eosinophilic asthma defined?

<p>High levels of eosinophilic inflammation in the absence of atopy (B)</p> Signup and view all the answers

What is a useful indicator of the presence of airway inflammation in eosinophilic asthma?

<p>Blood eosinophil count of ≥300 cells/μL (C)</p> Signup and view all the answers

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