<prompt> Prausnitz kustner reaction is which type of hypersensitivity -Type 1Type 2Type 3Type 4  <response>: Ans. is a i.e., Type 1HYPERSENSITIVITYType I IgE mediatedType II IgG, IgM and complement mediated Eczema Blood transfusion reactions Hay fever Erythroblastosis fetalis Asthma Autoimmune hemolytic anemia or thrombocytopenia or agrnulocytosis Atopy Urticaria Pemphigus vulgaris Anaphylactic shock Good pasture syndrome Acute dermatitis Bullous pemphigoid Theobald smith phenomenon Pernicious anemia Prausnitz Kusnter PK reaction Acute rheumatic fever Casonis test Diabetes mellitus Schultz-Dale phenomenon Graves disease Myasthenia gravisType III IgG, IgM, complement and leucocyte mediatedType IV Cell mediated Local-Arthus reaction Tuberculin test Systemic-serum sickness Lepromin test Schick test Sarcoidosis Polyarteritis nodosa PAN Tuberculosis Rheumatoid arthritis Contact dermatitis SLE Granulomatous inflammation Acute viral hepatitis Type I lepra reaction Penicillamine toxicity Patch test Hyperacute graft rejection Temporal arteritis Type 2 lepra reaction ENL Jones mote reaction cutaneous basophilic HSN Hypersensitivity pneumonitis Graft rejection R.A. Fairleys test Infective endocarditis Fries test Henoch schonlein purpura Glomerulonephritis 