IMMUNO: 65 hypersensitivity (allergy)
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Cards in this deck(71)
What is hypersensitivity, characterized by exaggerated or inappropriate immune responses harmful to the host?
What are the clinical manifestations of hypersensitivity when an individual contacts a specific antigen to which they are hypersensitive?
What are the four types of hypersensitivity reactions?
Which types of hypersensitivity reactions are antibody-mediated?
Which type of hypersensitivity reaction is cell-mediated?
Type I: Immediate hypersensitivity has what type of reaction and which antibodies are involved?
Type II: Cytotoxic hypersensitivity has what type of reaction and which antibodies are involved?
Type III: Immune complex hypersensitivity has what type of reaction and which antibodies are involved?
Type IV: Delayed hypersensitivity has what type of reaction and which cells are involved?
How long does it take for an immediate hypersensitivity reaction to occur from the initial time of exposure to the allergen?
What are common type I allergens that can trigger an immediate hypersensitivity reaction?
A type I hypersensitivity reaction may involve which areas of the body?
Type 1 hypersensitivity reaction is mediated by which antibodies?
What are the primary cellular components involved in immediate hypersensitivity reactions?
A type I hypersensitivity reaction can be amplified and/or modified by which cells?
IgE has a very high affinity for its receptor on mast cells and basophils. Upon subsequent exposure to the same allergen, what does cross-linking of cell-bound IgE trigger the release of?
Mast cells may be triggered by other stimuli such as _____, emotional stress, chemicals, and anaphylotoxins.
Type I hypersensitivity reaction is amplified by what factor?
What does PAF (platelet activation factor) do in the context of hypersensitivity reactions?
Eosinophil chemotactic factor of anaphylaxis (ECF-A) and neutrophil chemotactic factors attract eosinophils and neutrophils, which release _____?
What are the diagnostic tests for immediate hypersensitivity reactions?
What are the treatments for type I hypersensitivity reactions?
How does a type II cytotoxic hypersensitivity reaction occur?
Type II hypersensitivity reaction is mediated by which antibodies?
What is the reaction time for a cytotoxic hypersensitivity reaction?
In a type II reaction, antibody binds to cells or tissues and causes what to happen?
What are examples of type II hypersensitivity reactions?
What are the diagnostic tests for cytotoxic hypersensitivity reactions?
What are the treatments for a type II hypersensitivity reaction?
A type III immuno complex hypersensitivity reaction occurs when _____?
For a type III reaction, it may be general or may involve individual organs including _____?
Which reaction may be the pathogenic mechanism of diseases caused by many microorganisms?
What is the reaction time for an immune complex hypersensitivity reaction?
Type III reactions are mediated by which components?
In type III reactions, is the antigen exogenous or endogenous?
What are the primary components of a type III hypersensitivity reaction?
In immune complex hypersensitivity reactions, the damage is caused by _____?
What does the lesion contain in a type III hypersensitivity reaction?
The affinity of antibody and size of immune complexes are important in _____?
What are the diagnostic tests for immune complex hypersensitivity reactions?
What are the treatments for type III hypersensitivity reactions?
Type IV delayed hypersensitivity is a function of which cells?
What is a classical example of a type IV delayed hypersensitivity reaction?
What can cause a false positive result for tuberculin testing?
Delayed hypersensitivity reactions are involved in the pathogenesis of which conditions?
In type IV reactions, which cells cause direct damage?
In type IV reactions, which cells are causing the bulk of the damage and how?
In type IV reactions, what are the major lymphokines involved?
Type IV reactions can be classified into three categories depending on time of onset and clinical and histological presentation. What are the three types?
What is the reaction time for a contact delayed hypersensitivity reaction?
What are the examples of contact in relation to antibody and type?
What is the reaction time for a granuloma delayed hypersensitivity reaction?
What is a clinical appearance for a contact delayed hypersensitivity reaction?
What is a clinical appearance for a tuberculin delayed hypersensitivity reaction?
What is a clinical appearance for a granuloma delayed hypersensitivity reaction?
What is the histology for a contact delayed hypersensitivity reaction?
What is the histology for a tuberculin delayed hypersensitivity reaction?
What is the histology for a granuloma delayed hypersensitivity reaction?
What are the antigen and site for a contact delayed hypersensitivity reaction?
What are the antigen and site for a tuberculin delayed hypersensitivity reaction?
What are the antigen and site for a granuloma delayed hypersensitivity reaction?
What are the diagnostic tests for type IV hypersensitivity reactions?
What are the treatments for delayed hypersensitivity reactions?
What are the clinical manifestations or diseases associated with type I hypersensitivity reactions?
What are the clinical manifestations or diseases associated with type II hypersensitivity reactions?
What are the clinical manifestations or diseases associated with type III hypersensitivity reactions?
What are the clinical manifestations or diseases associated with type IV hypersensitivity reactions?
Which type of immunologic reaction is characterized by antigen-induced IgE that binds to mast cells and basophils, causing degranulation and release of mediators upon re-exposure to the allergen?
Which type of immunologic reaction involves antigens on a cell surface combining with IgG antibody, leading to complement-mediated lysis of the cells?
Which type of immunologic reaction involves antigen-antibody immune complexes being deposited in tissues, activating complement and attracting polymorphonuclear cells?
Which type of immunologic reaction involves T lymphocytes activated by an antigen releasing lymphokines upon second contact, inducing inflammation and activating macrophages?
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