This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacterial infections, Subject name: Dental
[{'content': 'Exacerbation of existing skin lesions is characteristic of \nSelect and explain. \nA. Lucio reaction, B. Erythema nodosum leprosum, C. Type 1 lepra reaction, D. Jarisch hexhiemer reaction', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Type 1 leropsy reaction is characterised by exacerbation of preexisting lesions.there will be erythema , odema, tenderness over the previous leprosy patches. Sometimes lesions may ulcerate in severe type 1 reaction iadvl textbook of dermatology page 2046', 'role': 'assistant'}]