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: ENT
[{'content': 'Rhinoscleroma occurs due to \nSelect and explain. \nA. Auto immune cause, B. Klebsiella rhinoscleromatis infection, C. Inflammatory cause, D. Mycotic infection', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Rhinoscleroma\n\nThe causative organism is Klebsiella rhinoscleromatis Frisch bacillus, which can be cultured from the biopsy material.\nThe disease is endemic in several parts of the world.\nIn India, it is seen more open in northern than in the southern parts.\nBiopsy shows infiltration of submucosa with plasma cells, lymphocytes, eosinophils, Mikulicz cells & Russell bodies.\nThere two are diagnostic features of the disease.\nThe disease starts in the nose & extends to nasopharynx, oropharynx, larynx, trachea & bronchi.\nMode of infection is unknown.\nBoth sexes of any age may be affected.', 'role': 'assistant'}]