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43 Cards in this Set
- Front
- Back
_________ are the IgE (antibody) immune responses to harmless antigens
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Allergies
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When the immune response is the cause of the disease we call it ___________.
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Hypersensitivity
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Hypersensitivities, other than allergies, are caused by ____ or by ____ or ___ activities.
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IgG, Th1, Tc
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________ reactions occur against self antigens.
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Autoimmune
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How many types of hypersensitivity reactions are there?
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4
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Type 1 is a ________________ reaction.
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anaphylactic
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Type 1 takes ______________ to manifest.
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under 30 minutes
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In Type 1 hypersensitivity, the antibody ______ binds to mast cells or basophils;causing degranulation (histimines and leukotrienes released)
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IgE
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Common examples of Type 1 Hypersensitivity are?
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anaphylactic shock from drug injections, insect venom, hay fever, asthma
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Type 2 hypersensitivity is called _________.
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cytotoxic
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Type 2 takes ___________ to manifest.
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5-12 hours
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In type 2 hypersensitivity, antigen causes formation of ____ and _____ that bind to target cell; when combines with action of complement, ______ the target cell(RBC). Also activates ADCC (macrophages or NK cells bind antibody-coated RBC's and kill them).
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IgM, IgG, destroys/lyses
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Common examples or type 2 hypersensitivity are?
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Transfusion reactions, Rheumatic fever and Rh incompatibility
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Type 3 hypersensitivity is called __________________.
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an immune complex
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Type 3 takes ______________ to manifest.
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3-8 hours
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In type 3 (immune complex), antibodies and antigens form ________________________.
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complexes that form damaging inflamation.
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Common examples of type 3 hypersensitivity are?
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arthus reactions(damage to bld vsls, heart, lungs, joints, skin, kidneys), Lupus and serum sickness
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Type 4 hypersensitivity is called_______________________.
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cell-mediated or delayed-type
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Type 4 takes ___________ to manifest.
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24-48 hours
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In type 4 (cell-mediated/delayed-type), antigens cause formation of _____ that ________________.
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Tc that kill targeted cells
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Common type 4 reactions are?
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transplant tissue rejection, contact dermititis, TB,chronic asthma, type 1 diabetes
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Are you allergic the first time you are exposed to something?
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No
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______ ______ is the inflamation throughout circulation that can lead to death.
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Systemic anaphylaxis
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The most common effects of allergic mediators are?
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the things that make us miserable (headache, runny nose, sneezing, wheezing, itchy eyes)
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______________ is basically: if your invironment is too clean (no or little helminths) you will have mare allergies.
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Hygene hypothesis
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A___________ drug blocks the plasma cell production of IgE and Inhibits Tcells.
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Corticosteroid
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A _____________ drug acts on the surface of mast cells, preventing granulation.
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Cromolyn
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A ___________ drug couteracts the effects of cytokines on targets (bronchiole/mucus production).
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Antihistimine
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Organ grafts: host ________ kills cells in fraft with ________________.
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Tcells, foreign MHCI and II(foreign to the host)
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Bone Marrow Transplant: mature _____ ____ in graft kill cills in host with _________________.
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Tcells, Foreign MHCI and II (foreign to the bone marrow)
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___________ are multiple genes that are responsible for the same thing.
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Allels
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We have ____ different Class I and _______ different Class II MHC proteins (each with many allels); making tissue typing for transplants time consuming or time prohibitive.
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~ 6, ~ six
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Anti-rejection Drugs do 2 things: ____________ _______ and _____ _______ ________.
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block inflammation, block Tcell activity
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The anti-rejection drug that blocks inflammation is/are ______.
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Corticosteroids
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The anti-rejection drug that block Tcell activity is/are_____ and ______.
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Cyclosporine A and Monoclonal antibodies
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Autoimmunity is often triggered by an _____________.
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Infection
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________ ________ is the immune response to a pathogen antigen generates antibodies and T cells that also bind to self antigens.
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Molecular mimicry
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Type I diabetes is caused by this virus.
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Coxsackie
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________ are destroyed by anti-virus T cells because they closely match the Coxsakie antigen the T cells are going after.
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peptides on islets
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Immune Deficiencies are ________.
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inborn(usually durring cell development or gene mutation for an essential protein)
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_______ immune deficiencies are usually due to microbe __________ factors. An example would be ________.
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virulence, AIDS
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David the "Bubble Boy" had _____(no T or B cells)
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SCID
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David died from cancer caused by epstein barr virus when he recieved a _______________ from his sister.
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Bone Marrow Transplant (to save his life)
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