This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Microbiology
[{'content': 'which is responsible for the above condition \nSelect and explain. \nA. sporothrix schenki, B. mycobacterium marinum, C. recketssia akari, D. mycobacterium ulcerans', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Fish Tank Granuloma * Caused by atypical mycobacterial infection * Recreational or occupational exposure to contaminated freshwater or saltwater * Affects elbows, knees, feet, knuckles or fingers * Often single lump which causes crusty sore or abscess * Other lumps on course of lymphatic drainage * More widespread if immuno-compromised * Treated with long course of minocycline or co-trimoxazole 6-12 weeks ref : ananthanaryana 9th ed', 'role': 'assistant'}]