What type of hypersensitivity reaction is seen in myasthenia gravis?: (A) Type 1 hypersensitivty reaction, (B) Type 2 hypersensitivty reaction, (C) Type 3 hypersensitivty reaction, (D) Type 4 hypersensitivty reaction
Answer is B. Type 2 hypersensitivity reactions: My - Myasthenia gravisBlood - blood transfusion reactionsGroup- Goodpasture syndrome and Graves diseaseIs - Insulin resistant DM, ITPR - Rheumatic feverH - hyperacute graft rejectionPositive - pernicious anaemia & pemphigus vulgaris Ref : Ananthanarayana textbook of Microbiology 9th edition Pgno : 162,165