<prompt> Blood transfusion is which type of hypersensitivity reaction -IIIIIIIV  <response>: Ans. is b he., IIo Schick test is an example of type III hypersensitivity or immune-complex reaction.HYPERSENSITIVITYTvpe I IgE mediatedo Eczemao Hay fevero Asthmao Atopyo Urticariao Anaphylactic shocko Acute dermatitiso Theobald smith phenomenono Prausnitz Kusnter PK reactiono Casonis testo Schultz-Dale phenomenonType II IgG IgM andcomplement mediatedo Blood transfusion reactionso Erythroblastosis fetaliso Autoimmune hemolytic anemia or thrombocytopenia or agmulocytosiso Pemphigus vulgariso Good pasture syndromeo Bullous pemphigoido Pernicious anemiao Acute rheumatic fevero Diabetes mellituso Graves diseaseo Myasthenia gravis HYPERSENSITIVITYTvpe III IgG IgM complementand leucocyte mediatedo Local-Arthus reactiono Systemic-serum sicknesso Schick testo Polyarteritis nodosa PANo Rheumatoid arthritiso SLEo Acute viral hepatitiso Penicillamine toxicityo Hyperacute graft rejectiono Type 2 lepra reaction ENLo Hypersensitivity pneumonitiso R.A.o Infective endocarditiso Henoch schonlein purpurao GlomerulonephritisType IV Cell mediatedo Tuberculin testo Lepromin testo Sarcoidosiso Tuberculosiso Contact dermatitiso Granulomatous inflammationo Type I lepra reactiono Patch testo Temporal arteritiso Jones mote reaction cutaneous basophilic HSNo Graft rejectiono Fairleys testo Fries test 