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
Eiosinophilic meningoencephalitis is caused by -a) Gnathostoma spinigerumb) Naegleriac) Toxocara canisd) Angiostrongylus cantonensis 
Select and explain. 
A. b, B. c, C. ad, D. ab
C: ad
Answer: C: ad 
Explanation: 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.