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43 Cards in this Set

  • Front
  • Back
_________ are the IgE (antibody) immune responses to harmless antigens
Allergies
When the immune response is the cause of the disease we call it ___________.
Hypersensitivity
Hypersensitivities, other than allergies, are caused by ____ or by ____ or ___ activities.
IgG, Th1, Tc
________ reactions occur against self antigens.
Autoimmune
How many types of hypersensitivity reactions are there?
4
Type 1 is a ________________ reaction.
anaphylactic
Type 1 takes ______________ to manifest.
under 30 minutes
In Type 1 hypersensitivity, the antibody ______ binds to mast cells or basophils;causing degranulation (histimines and leukotrienes released)
IgE
Common examples of Type 1 Hypersensitivity are?
anaphylactic shock from drug injections, insect venom, hay fever, asthma
Type 2 hypersensitivity is called _________.
cytotoxic
Type 2 takes ___________ to manifest.
5-12 hours
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).
IgM, IgG, destroys/lyses
Common examples or type 2 hypersensitivity are?
Transfusion reactions, Rheumatic fever and Rh incompatibility
Type 3 hypersensitivity is called __________________.
an immune complex
Type 3 takes ______________ to manifest.
3-8 hours
In type 3 (immune complex), antibodies and antigens form ________________________.
complexes that form damaging inflamation.
Common examples of type 3 hypersensitivity are?
arthus reactions(damage to bld vsls, heart, lungs, joints, skin, kidneys), Lupus and serum sickness
Type 4 hypersensitivity is called_______________________.
cell-mediated or delayed-type
Type 4 takes ___________ to manifest.
24-48 hours
In type 4 (cell-mediated/delayed-type), antigens cause formation of _____ that ________________.
Tc that kill targeted cells
Common type 4 reactions are?
transplant tissue rejection, contact dermititis, TB,chronic asthma, type 1 diabetes
Are you allergic the first time you are exposed to something?
No
______ ______ is the inflamation throughout circulation that can lead to death.
Systemic anaphylaxis
The most common effects of allergic mediators are?
the things that make us miserable (headache, runny nose, sneezing, wheezing, itchy eyes)
______________ is basically: if your invironment is too clean (no or little helminths) you will have mare allergies.
Hygene hypothesis
A___________ drug blocks the plasma cell production of IgE and Inhibits Tcells.
Corticosteroid
A _____________ drug acts on the surface of mast cells, preventing granulation.
Cromolyn
A ___________ drug couteracts the effects of cytokines on targets (bronchiole/mucus production).
Antihistimine
Organ grafts: host ________ kills cells in fraft with ________________.
Tcells, foreign MHCI and II(foreign to the host)
Bone Marrow Transplant: mature _____ ____ in graft kill cills in host with _________________.
Tcells, Foreign MHCI and II (foreign to the bone marrow)
___________ are multiple genes that are responsible for the same thing.
Allels
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.
~ 6, ~ six
Anti-rejection Drugs do 2 things: ____________ _______ and _____ _______ ________.
block inflammation, block Tcell activity
The anti-rejection drug that blocks inflammation is/are ______.
Corticosteroids
The anti-rejection drug that block Tcell activity is/are_____ and ______.
Cyclosporine A and Monoclonal antibodies
Autoimmunity is often triggered by an _____________.
Infection
________ ________ is the immune response to a pathogen antigen generates antibodies and T cells that also bind to self antigens.
Molecular mimicry
Type I diabetes is caused by this virus.
Coxsackie
________ are destroyed by anti-virus T cells because they closely match the Coxsakie antigen the T cells are going after.
peptides on islets
Immune Deficiencies are ________.
inborn(usually durring cell development or gene mutation for an essential protein)
_______ immune deficiencies are usually due to microbe __________ factors. An example would be ________.
virulence, AIDS
David the "Bubble Boy" had _____(no T or B cells)
SCID
David died from cancer caused by epstein barr virus when he recieved a _______________ from his sister.
Bone Marrow Transplant (to save his life)