This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: parasitology, Subject name: Microbiology
Fulminant Amoebic meningoencephalitis caused by - 
Select and explain. 
A. Acanthamoeba, B. N.fowleri, C. E. Histolytic, D. E.coli
B: N.fowleri
Answer: B: N.fowleri 
Explanation: Parasite invades cribriform plate Travels along olfactory nerves to brain Leads to a rapidly fatal condition known as primary amoebic meningo encephalitis (refer pgno:25 baveja 3 rd edition)