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: Microbiology
[{'content': 'Eiosinophilic meningoencephalitis is caused by ? \nSelect and explain. \nA. Gnathostoma spinigerum, B. Naegleria, C. Toxocara Canis, D. All', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a i.e., Gnathostoma spinigerum . Eosinophilic meningoencephalitis - Meningoencephalitis, in which there is > 20% eosinophilic pleocytosis in C.S.F. . Eosinophilic meningoencephilitis is caused by - Angiostrongylus cantonensis (most common) - Gnathostoma spinigerum . Naegleria causes primary amoebic meningoencephilitis but it is not an eosinophilic meningoencephalitis.", 'role': 'assistant'}]