This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'A typical example of an immunologically mediated collagen, connective tissue disorder: \nSelect and explain. \nA. Pemphigus, B. Bullous pemphigus, C. Lupus erythematous, D. Lichen planus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Systemic Lupus Erythematosus is a multisystem autoimmune\xa0disease characterised by autoantibodies, immune complex\xa0formation and immune dysregulation resulting in damage to kidney, skin, blood vessels, CNS.', 'role': 'assistant'}]