<prompt> Example of Type IV hypersensitivity is -Serum sicknessGranulomatous reactionShwartzman reactionArthus reaction  <response>: Ans. b Granulomatous reactionRef: Robbins 9thpg 208-211; 8thpg 205-208; Illustrated Dictionary of Immunology by M.P.Arora - Page 501Granulomatous reaction is an example of type IV hypersensitivitySerum sickness Arthus reactions are examples of type III hypersensitivityShwartzman reaction is a non-immunologic phenomenon in which endotoxin lipopolysaccharide induces local systemic reactions; It can either be local or systemic type; 