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20 Cards in this Set
- Front
- Back
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An Immune state results in altered/enhanced immune reaction to antigen?
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hypersensitivity
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What are characteristics to Hypersensitivity?
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-leads to pathological changes in host tissue
-occurs in previously sensitized host -ractions can be immediate or delayed |
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What are the types of Hypersensitivity reactions?
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-anaphylactic
-cytotoxin -immune complex -cell mediated |
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What are the two types of anaphylactic reactions?
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-systemic
-localized |
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What is systemic Anaphylactic reactions due to?
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From injection antigens
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Give an example of a systemic anaphylactic reaction to_______________
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Bee stings or medicine
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What is the treatment for an systemic anaphlylactic reaction
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-epinephrine
-antihisamine |
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What is a localized anaphylactic reaction?
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from ingested/inhaled antigen
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What happens (process) in an systemic anaphylactic reaction
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-blood vessels dialate
-blood pressure decreases -anaphylactic shock |
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Give an example of what could cause a localized anaphylactic reaction
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-asthmia
-food allergies |
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What is cell lysis due to in cytotoxin reaction?
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-complement blood proteins
-antibodies -reactions on cell surface |
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What is are Examples of a cytotoxin reaction
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-Transfusions
-RH compatibility -HDNB(hemolytic disease of newborn) |
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What is another name for HDNB?
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Erythroblastosis fetalis
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What are example of Immune complex reactions?
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-Gomerulonephrites>kidney damage
-Arthus reaction ==>reaction @ injection site |
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Describe a cell mediated reactions
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-T cells involved
-Delayed reaction>24-48 hrs afted antigen enters host |
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Give examples of cell mediated reactions
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-Transplant rejections
-contract dermatitis |
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Give example of contact dermatitis
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poison Ivy/Oak
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What type of HR is HDNB
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cytotoxin
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What type of HR is systemic
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anaphlylactic
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What type of HR is contact dematisis
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Cell mediated
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