Atopy and Atopic Diseases Quiz

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Brief quiz on atopy, its march, and clinical scenarios

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DR Ceo

Malaysia

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Atopy and Atopic Diseases Quiz


Atopy and Atopic Diseases QuizVersion en ligne Brief quiz on atopy, its march, and clinical scenarios par DR Ceo 1 What defines atopy and its genetic basis? a A non-genetic reaction to foods only b A genetic tendency to develop IgE-mediated responses to common allergens c A broad intolerance to all allergens regardless of IgE d A temporary allergy caused by infections 2 Which diseases are classic components of atopy? a Psoriasis, urticaria, anaphylaxis b Atopic dermatitis, allergic rhinitis, asthma c Sinusitis, bronchiectasis, COPD d Non-allergic rhinitis, COPD, dyspepsia 3 Which immune axis drives atopy? a Th2 cells with IL-4, IL-5, IL-13 leading to IgE production b Treg cells and IL-10 c Th17 cells and IL-17 d Th1 cells and IFN-γ 4 What role do mast cells play in atopy? a They phagocytose allergens to clear them b They produce IgG antibodies c They suppress allergic responses d IgE cross-linking triggers degranulation and histamine release 5 What is the typical progression in the atopic march? a Asthma -> eczema -> allergic rhinitis b Eczema -> allergic rhinitis -> asthma c Asthma -> allergic rhinitis -> eczema d Allergic rhinitis -> eczema -> asthma 6 Which symptom aligns best with atopic dermatitis? a Wheezing and chest tightness at night b Chronic productive cough with fever c Watery eyes with sneezing only d Pruritic, red, scaly patches in childhood 7 Why can family members have different allergic diseases? (True/False)** a True b Not enough information c いいえ(iie) d False 8 Which cytokines are central in atopy? a IL-1, IL-6, TNF-α b IFN-γ, IL-12, TNF-α c IL-4, IL-5, IL-13 d IL-10, TGF-β, IL-2 9 Case: Mother has eczema; son has allergic rhinitis; daughter has rhinitis and asthma. What concept does this illustrate? a All family members will develop the same diseases later b Variable clinical expression of atopy within the same family c Inaccurate diagnosis of allergies d Lack of genetic influence 10 Case-based: A child with eczema presents with sneezing and wheeze after pollen exposure. What is the likely mechanism? a Pure IgG-mediated reaction without histamine release b Non-IgE mediated bacterial infection c Skewed Th2 response with allergen exposure triggering IgE-mediated mast cell activation d Autoimmune T-cell destruction Feedback 1 Atopy is a genetic predisposition to mounting IgE responses to environmental allergens. 2 The core atopic diseases are eczema (atopic dermatitis), allergic rhinitis, and asthma. 3 Th2 polarization promotes IgE class-switching and eosinophilic inflammation. 4 IgE-bound mast cells release histamine and other mediators upon allergen exposure. 5 Clinically, many children first have eczema, then rhinitis, then asthma. 6 Eczema presents with itchy skin lesions, often starting in infancy or childhood. 7 Shared genes confer predisposition, but environmental and other factors shape disease expression. 8 IL-4, IL-5, and IL-13 promote IgE production and eosinophilic responses. 9 Genetic predisposition plus environmental exposure leads to different manifestations. 10 Coexisting eczema and pollen-driven rhinitis/asthma involve Th2 responses and IgE-mediated pathways.

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Atopy and Atopic Diseases Quiz

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À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

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Atopy and Atopic Diseases QuizVersion en ligne

par DR Ceo

What defines atopy and its genetic basis?

Which diseases are classic components of atopy?

Which immune axis drives atopy?

What role do mast cells play in atopy?

What is the typical progression in the atopic march?

Which symptom aligns best with atopic dermatitis?

Why can family members have different allergic diseases? (True/False)**

Which cytokines are central in atopy?

Case: Mother has eczema; son has allergic rhinitis; daughter has rhinitis and asthma. What concept does this illustrate?

Case-based: A child with eczema presents with sneezing and wheeze after pollen exposure. What is the likely mechanism?

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