16 Questions
What is an asthma attack known as?
Acute asthma
What is considered the most important predisposing factor for the appearance of asthma?
Atopic genetic predisposition
Which factor causes asthma in individuals who are predisposed?
Causal factors
What percentage of the general population has the genetic predisposition to develop a response mediated by Ig E to ordinary air allergens?
~30%
What type of diseases are present in individuals with the atopic genetic predisposition for asthma?
Allergic rhinitis, dermatitis, urticaria, allergic asthma
What is the most common cause of asthma worldwide?
Indoor allergens from domestic mites
Which enzyme is predominantly found in mite bodies causing allergic reactions?
Proteolytic enzymes
What is the main source of allergens in house dust?
Animal secretions and excretions
Which species of mites is most common in areas with long winters and dry climates?
D.farinae
What is the main allergen found in cats that can sensitize individuals?
Fel d I
What is the main cause of recurrent episodes of wheezing, breathlessness, chest tightness, and coughing in asthma?
Inflammation of the airways
Which cells participate in the chronic inflammatory process in asthma?
Mast cells, eosinophils, and T lymphocytes
What happens to the bronchial reactivity in asthma due to airway inflammation?
It increases
How does asthma affect the airflow into and out of the lungs?
It restricts airflow
What characteristic sound is produced due to the swelling of the lining of the air passages in asthma?
Wheezing
What is a common symptom experienced by individuals with asthma particularly at night and/or early morning?
Chest tightness
Test your knowledge on the causal factors of asthma, focusing on air allergens, indoor allergens from domestic sources like mites, pets, bugs, and fungi. Understand the relationship between exposure to allergens and the prevalence of asthma.
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