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Test 4 Immunology Autoimmunity and Tolerance
Test 4 Immunology Autoimmunity and Tolerance
14
Medical
Graduate
05/02/2015

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Term
definition for auto-immunity
Definition
when an immune response is against self instead of what should happen which is normal self tolerance.
Term
Autoimmunity  done via what two processes of immune system 2x
Definition
1. auto-Ab autoimmunity 2. T cell mediated autoimmunity
Term
Paul Ehrlich believed what in regards to autoimmunity
Definition
that our immune system doesn't attack self because it has a tolerance to the Ag associated with our normal cells.
Term
Are all autoimmune responses harmful? IF not name some that aren't
Definition
Not all autoimmune responses are harmful. Immune system can be helpful in removing damaged self cells
Term
so if a healthy immune system means that the immune system is tolerating the body's self cells than describe types of tolerance 2x
Definition
1. Central tolerance
2. Peripheral Tolerance
Term
abnormal autoimmune responses can be categorized by what two causes
Definition
1. primary cause
2. secondary contributor
Term
there are no autoimmune diseases that correlate with which type of hypersensitivity?
Definition
Type I IgE mediated hypersensitivities
Term
can autoimmune diseases overlap
Definition
YES
Term
the autoimmune anemias occur as a result of what immune resposne
Definition
auto-Ab.

Autoimmune hemolytic anemia is a result of Auto-Ab attacking drugs or drug-RBC complexes

2. Pernicious Anemia is Auto-Ab attacking parietal cells. IF no parital cells than no production of Intrinsic facto. Need intrinsic factor for B 12 absoprtion and hematopiesis
Term
IFN-Gamma can induce MHC Class ___ on what cells 3x
Definition
1. pancreatic Beta cells (IDDM)
2. Intestinal epithelial cells
3. THyroid Acinar Cells (Graves disease)
Term
what auto-Ab can cross the placenta
Definition
IgG
Term
how do you offset the effects of auto-Ab in new borns from moms
Definition
plasmapheresis. Give a complete blood exchange to eliminate the effects of auto-Ab.
Term
what type of autoimmune disease cannot cross the fetus
Definition
TH cells or Tc cells are impossible to cross into fetal circulation
Term
what is celiac disease
Definition
disorder of the small intestine, Ab attack gliadins and tissue transaminases which come from wheat, barley and rye.
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