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Immunopathology
| Question | Answer |
|---|---|
| How does mycobacterium evade the immune system? | Modifies the phagosome surface so it doesn't fuse with lysosomes |
| Sepsis can be caused from what, on a G-ve bacterium? | Lipopolysaccharide layer |
| How do non allergic people react to allergens? | Respond weakly with IgG |
| How do allergic people respond to allergens? | Produce lots of IgE |
| What are recruited (& from where) in the delayed response to allergens? | Eosinophils from the bone marrow |
| What is the heritable factor in autoimmunity | HLA / MHC presenting self antigen |
| What is left to complete chance in autoimmunity? | A BCR/TCR that can recognise self antigens |
| What can a microbial attack cause in autoimmunity? | Molecular mimicry of self antigens |
| What cells does multiple sclerosis(MS) affect? | Oligodendrocytes |
| What does myasthenia gravis do? | Antibodies block the acetylcholine receptors on the dendrites of neurons |
| Why is HIV difficult to cure in people? | High mutation rate means the genome is always changing |