This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Microbiology
[{'content': 'The causative agent of Primary Amoebic Meningoencephalitis is: \nSelect and explain. \nA. Endolimax nana, B. Dientamoeba fragilis, C. Naegleria fowleri, D. Entamoeba histolytica', 'role': 'user'}, {'content': 'Answer: C \nExplanation: (C) Naegleria fowleri # Human infection of naegleria comes from water containing the amoebae and usually follows swimming or diving in ponds.> Patients are mostly previously healthy young adults and children.> The amoebae invade the nasal mucosa, pass through the olfactory nerve and initiate an acute meningitis and encephalitis (primary amoebic meningoencephalitis).', 'role': 'assistant'}]