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: Anatomy
[{'content': 'All of the following can cause megakaryocytic thrombocytopenia,except: \nSelect and explain. \nA. Idiopathic thrombocytopenic purpura, B. Systemic lupus erythematosus, C. Aplastic anemia, D. Disseminated intravascular coagulation', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Magakaryocyte is a precursor of platelet.any peripheral destruction of platelets cause increased activity of bone marrow resulting in megakaryocytic thrombocytopenia because of compensatory increase in megakaryocytes. However if thrombocytopenia occurs due to any defect in the bone marrow itself, the compensatory increase in megakaryocytes will not occur.this is known as amegakaryocytic or hypoplastic thrombocytopenia.(ref Harrisons 17th/719,720,667-668)', 'role': 'assistant'}]