This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: general microbiology, Subject name: Microbiology
[{'content': "Smith Noguchi's media is used for - \nSelect and explain. \nA. Salmonella, B. Klebsiella, C. Spirochetes, D. Bacillus", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Cultivation of nonpathogenic treponemes (e.g., Reiter strain of Treponema phagedenis) REF: Text book of microbiology Ananthanarayan Page no. 39', 'role': 'assistant'}]