This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
[{'content': 'Type II hypersensitivity - \nSelect and explain. \nA. Blood transfusion reaction, B. Ahus reaction, C. Hay Fever, D. Glomerulonephritis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: autoimmune haemolytic anaemia, transfusion reactions,idiopathic thrombocytopenic purpura,graves disease,myasthenia gravis are the examples of type 2 hypersensitivity.Harshmohan textbook of pathology 7th edition', 'role': 'assistant'}]