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: Skin
[{'content': 'False statement about impetigo \nSelect and explain. \nA. Mostly caused by staphylococcus or streptococcus or both, B. It predisposes to glomerulonephritis, C. Produces scar on healing, D. All', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Produce scar on healing', 'role': 'assistant'}]