Difference between revisions of "Hypersensitivity Flashcards"
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|linkpage =Hypersensitivity - WikiBlood | |linkpage =Hypersensitivity - WikiBlood | ||
|linktext =HYPERSENSITIVITY | |linktext =HYPERSENSITIVITY | ||
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|pagetype =Blood | |pagetype =Blood | ||
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− | + | ===Hypersensitivity=== | |
− | == | + | <FlashCard questions="3"> |
− | + | |q1=What is hypersensitivity? | |
− | + | |a1= | |
− | + | *A hyperactive immune response to an antigen | |
− | + | *Leading to cell and tissue damage | |
− | + | *It involves normal immune mechanisms directed towards harmless environmental antigens (ie. allergy) or directed at self antigens (ie. autoimmunity) | |
− | | | + | |l1=Hypersensitivity - WikiBlood#Introduction |
− | | | + | |q2=Which two scientists proposed the mechanism for distinguishing between the different types of hypersensitivity reactions? |
− | + | |a2=Gell and Coombs | |
− | + | |l2=Hypersensitivity - WikiBlood#Introduction | |
− | + | |q3=Complete the following sentences | |
− | || | + | <p>Types I, II and III hypersensitivity are ??? reactions. Type IV hypersensitivity is a ??? reaction. </p> |
− | | | + | |a3= |
− | | | + | *antibody mediated |
− | + | *cell mediated | |
− | * | + | |l3=Hypersensitivity - WikiBlood#Classification |
− | | | + | </FlashCard> |
− | |- | + | ===Type I Hypersensitivity=== |
− | | | + | <FlashCard questions="5"> |
− | | | + | |q1=What is type I hypersensitivity also known as? |
− | | | + | |a1= |
− | | | + | *Anaphylactic-mediated |
− | + | *IgE-mediated | |
− | + | |l1=Type I Hypersensitivity - WikiBlood#Introduction | |
− | + | |q2=What is the name of antigens which cause type I hypersensitivity? | |
− | + | |a2=Allergens | |
− | + | |l2=Type I Hypersensitivity - WikiBlood#Introduction | |
− | + | |q3=Name some common allergens which cause a type I hypersensitivity reaction | |
− | + | |a3= | |
− | |- | + | *Plant pollens |
− | | | + | *Foods |
− | | | + | *Drugs |
− | * | + | *Proteins |
− | * | + | *Insect products |
− | | | + | |l3=Type I Hypersensitivity - WikiBlood#Common allergens which elict a type I hypersensitivity reaction: |
− | | | + | |q4=Mast cells are caused to degranulate releasing cytokines. What affects do these cytokines have on the infected area? |
− | + | |a4= | |
− | | | + | *Vasodilation |
− | * | + | *Oedema |
− | | | + | *Mucous production |
− | | | + | *Chemoattractants cause the influx of neutrophils, basophils, monocytes and plasma |
− | | | + | *Vasoactive and inflammatory peptides cause the contraction of smooth muscle fibres |
− | | | + | |l4=Type I Hypersensitivity - WikiBlood#Mechanism |
− | * | + | |q5=Name some examples of type I hypsensitivity reactions |
− | * | + | |a5= |
− | * | + | *Sweet-itch |
− | * | + | *Atopy |
− | * | + | *Flea allergic dermatitis |
− | + | |l5=Type I Hypersensitivity - WikiBlood#Examples of Type I hypersensitivity | |
− | + | </FlashCard> | |
− | + | ===Type II Hypersensitivity=== | |
− | | | + | <FlashCard questions="3"> |
− | * | + | |q1=What types of immunoglobulin are produced in type II hypersensitivity reactions and are they produced against soluble or fixed antigens? |
− | * | + | |a1= |
− | + | *IgG | |
− | + | *IgM | |
− | + | *Fixed antigens | |
− | | | + | |l1=Type II Hypersensitivity - WikiBlood#Introduction |
− | + | |q2=What is the main mechanism of type II hypersensitivity reactions? | |
− | + | |a2=Neutralisation blockage of receptors | |
− | | | + | |l2=Type II Hypersensitivity - WikiBlood#Mechanism |
− | * | + | |q3=Which immunological processes does the type II reaction use to destroy target cells? Give examples for each process? |
− | * | + | |a3= |
− | * | + | *Antibody dependent cell cytotoxicity (ADCC) |
− | | | + | **Pemphigus vulgaris |
− | | | + | **Bullous pemphigoid |
− | + | *Complement mediated lysis | |
− | + | **Immune mediated haemolytic anaemia | |
− | = | + | **Blood transfusion reaction |
− | + | **Haemolytic disease of new born | |
− | + | **Feline infectious anaemia | |
− | + | *Phagocytosis | |
− | + | |l3=Type II Hypersensitivity - WikiBlood#Introduction | |
− | |- | + | </FlashCard> |
− | + | ===Type III Hypersensitivity=== | |
− | + | <FlashCard questions="5"> | |
− | + | |q1=Which immunoglobulin is produced in type III hypersensitivity and is it produced against soluble or fixed antigens? | |
− | + | |a1= | |
− | + | *IgG | |
− | | | + | *Soluble antigens |
− | | | + | |l1=Type III Hypersensitivity - WikiBlood#Introduction |
− | + | |q2=What does inhaling antigen locally lead to? | |
− | | | + | |a2=Hypersensitivity pneumonitis |
− | + | |l2=Type III Hypersensitivity - WikiBlood#Location of the immune complexes: | |
− | + | |q3=What other conditions can be caused by a local type III hypersensitivity response? | |
− | |- | + | |a3= |
− | | | + | *Glomerulonephritis |
− | + | *Arthritis | |
− | * | + | *Vasculitis |
− | * | + | *Acute inflammation |
− | + | |l3=Type III Hypersensitivity - WikiBlood#Location of the immune complexes: | |
− | + | |q4=What general effects does increased levels of systemic antigen have? | |
− | + | |a4= | |
− | + | *Vasculitis | |
− | + | *Erythema | |
− | + | *Oedema | |
− | + | *Neutropaenia | |
− | + | *Proteinurea | |
− | | | + | |l4=Type III Hypersensitivity - WikiBlood#Location of the immune complexes: |
− | + | |q5=Give an example of a type III hypersensitivity reaction where the antigen is a self antigen | |
− | + | |a5=Systemic lupus erythematous (SLE) | |
− | + | |l5=Type III Hypersensitivity - WikiBlood#Location of the immune complexes: | |
− | = | + | </FlashCard> |
− | + | ===Type IV Hypersensitivity=== | |
− | + | <FlashCard questions="7"> | |
− | + | |q1=What is type IV hypersensitivity also known as? | |
− | + | |a1=Delayed-type hypersensitivity | |
− | + | |l1=Type IV Hypersensitivity - WikiBlood#Introduction | |
− | + | |q2=What effects do a CD4+ helper cell hypersensitivity response have? | |
− | | | + | |a2= |
− | + | *Abnormal macrophage activation | |
− | + | *Macrophage production of inflammatory mediators and MMP (matrix metalloproteinase) | |
− | + | |l2=Type IV Hypersensitivity - WikiBlood#Introduction | |
− | + | |q3=What effect does a CD8+ cytotoxic hypersensitivity response have? | |
− | + | |a3=Destruction of normal cells | |
− | + | |l3=Type IV Hypersensitivity - WikiBlood#Introduction | |
− | + | |q4=What are the two types of type IV hypersensitivity reactions? | |
− | + | |a4= | |
− | + | *Contact | |
− | + | *Granulomatous | |
− | + | |l4=Type IV Hypersensitivity - WikiBlood#2 types: | |
− | + | |q5=What are the main cells involved in contact dermatitis? | |
− | + | |a5=Mononuclear cells | |
− | + | |l5=Type IV Hypersensitivity - WikiBlood#1. Contact | |
− | + | |q6=Give two examples of infections causing a granulomatous response | |
− | + | |a6= | |
− | + | *Mycobacterium tubercle | |
− | + | *Schistosome eggs | |
− | + | |l6=Type IV Hypersensitivity - WikiBlood#2. Granulomatous | |
− | + | |q7=What is the tuberculin test? | |
− | + | |a7= | |
− | + | *Used for testing TB in cattle | |
− | + | *Injection of intradermal antigen into the skin | |
− | + | *A skin reaction (infiltration of lymphocytes and monocytes) peaking at 48-72 hours indicates prior exposure to the antigen or ongoing infection | |
− | + | |l7=Type IV Hypersensitivity - WikiBlood#2. Granulomatous | |
− | + | </FlashCard> | |
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Revision as of 11:23, 20 February 2010
|
Hypersensitivity
Question | Answer | Article | |
What is hypersensitivity? |
|
Link to Article | |
Which two scientists proposed the mechanism for distinguishing between the different types of hypersensitivity reactions? | Gell and Coombs
|
Link to Article | |
Complete the following sentences
Types I, II and III hypersensitivity are ??? reactions. Type IV hypersensitivity is a ??? reaction. |
|
Link to Article |
Type I Hypersensitivity
Question | Answer | Article | |
What is type I hypersensitivity also known as? |
|
Link to Article | |
What is the name of antigens which cause type I hypersensitivity? | Allergens
|
Link to Article | |
Name some common allergens which cause a type I hypersensitivity reaction |
|
Link to Article | |
Mast cells are caused to degranulate releasing cytokines. What affects do these cytokines have on the infected area? |
|
Link to Article | |
Name some examples of type I hypsensitivity reactions |
|
Link to Article |
Type II Hypersensitivity
Question | Answer | Article | |
What types of immunoglobulin are produced in type II hypersensitivity reactions and are they produced against soluble or fixed antigens? |
|
Link to Article | |
What is the main mechanism of type II hypersensitivity reactions? | Neutralisation blockage of receptors
|
Link to Article | |
Which immunological processes does the type II reaction use to destroy target cells? Give examples for each process? |
|
Link to Article |
Type III Hypersensitivity
Question | Answer | Article | |
Which immunoglobulin is produced in type III hypersensitivity and is it produced against soluble or fixed antigens? |
|
Link to Article | |
What does inhaling antigen locally lead to? | Hypersensitivity pneumonitis
|
Link to Article | |
What other conditions can be caused by a local type III hypersensitivity response? |
|
Link to Article | |
What general effects does increased levels of systemic antigen have? |
|
Link to Article | |
Give an example of a type III hypersensitivity reaction where the antigen is a self antigen | Systemic lupus erythematous (SLE)
|
Link to Article |
Type IV Hypersensitivity
Question | Answer | Article | |
What is type IV hypersensitivity also known as? | Delayed-type hypersensitivity
|
Link to Article | |
What effects do a CD4+ helper cell hypersensitivity response have? |
|
Link to Article | |
What effect does a CD8+ cytotoxic hypersensitivity response have? | Destruction of normal cells
|
Link to Article | |
What are the two types of type IV hypersensitivity reactions? |
|
Link to Article | |
What are the main cells involved in contact dermatitis? | Mononuclear cells
|
Link to Article | |
Give two examples of infections causing a granulomatous response |
|
Link to Article | |
What is the tuberculin test? |
|
Link to Article |