hypersensitivity rxn Word Scramble
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| disorder | hypersensitivity rxn type |
| anaphylaxis | I |
| allergic rhinitis (hay fever) | I |
| asthma | I |
| eczema | I |
| hemolytic anemia | II |
| ITP | II |
| erythroblastosis fetalis | II |
| RF | II |
| Goodpasture's | II |
| bullous pemphigoid | II |
| Grave's | II |
| MG | II |
| SLE | III |
| RA | III |
| polyarteritis nodosum | III |
| post-strep GN | III |
| serum sickness | III |
| arthus rxn | III |
| hypersensitivity pneumonitis | III |
| DM type I | IV |
| MS | IV |
| Guillain-Barre syndrome | IV |
| Hashimoto's | IV |
| graft-vs-host dz | IV |
| PPD | IV |
| contact dermatitis | IV |
| IgE mediated - free Ag cross-links IgE on presensitized mast cells and basophils --> trigger release of vasoactive amines | I |
| Ab mediated - IgM, IgG bind fixed Ag on enemy cell --> lysis by complement or phagocytosis | II |
| immune complex mediated - Ag-Ab complex activates complement --> attract neutrophils --> neutrophils release lysosomal enzymes | III |
| delayed (T-cell) mediated - sensitized T lymphocytes encounter Ag --> release lymphokines --> macrophage activation | IV |
Created by:
anpham26
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