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
[{'content': 'Parasitic Encephalitis is caused by - \nSelect and explain. \nA. Naegleria, B. Acant amoeba, C. Balamuthia, D. Gnathostoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Naegleia fowleri The amoeboid form enters the human body through nasal mucosa. The parasite invade the cribriform plate and travels along the olfactory nerve to brain leading to a rapidly fatal infection known as primary amoebic meningoencephalitis It occurs in young adults and children with arecent history of swimming in fresh water (refer pgno:25 baveja 3rd edition)', 'role': 'assistant'}]