This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Haematology, Subject name: Medicine
[{'content': 'Autoimmune destruction of platelets is seen in \nSelect and explain. \nA. SLE, B. PAN, C. RA, D. Sarcoidosis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Immune Thrombocytopenic PurpuraImmune thrombocytopenic purpura (ITP; also termed idiopathic thrombocytopenic purpura) is an acquired disorder in which there is an immune-mediated destruction of platelets and possibly inhibition of platelet release from the megakaryocyte. In children, it is usually an acute disease, most commonly following an infection, and with a self-limited course. In adults, it is a more chronic disease, although, in some adults, spontaneous remission occurs, usually within months of diagnosis.ITP is termed secondary if it is associated with an underlying disorder; autoimmune disorders, paicularly systemic lupus erythematosus (SLE), and infections, such as HIV and hepatitis C, are common causesReference: Harrison&;s Principles of Internal Medicine; 19th edition; Chapter 140; Disorders of Hemostasis', 'role': 'assistant'}]