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': 'Autoinfection is a mode of transmission in - \nSelect and explain. \nA. Trichinella, B. Cyticercosis, C. Ancylostoma, D. Ascaris', 'role': 'user'}, {'content': 'Answer: B \nExplanation: cysticercosis man sometimes gets infection in the same way as the pig I.e either by drinking contaminated water or by eating uncooked vegetables infected with eggs. Apa from this a man harbouring the adult worm may also auto infect himself either due to unhygienic personal habbits or by a reversal of peristaltic movement of the intestines by which gravid segments are thrown back to the stomach,equivalent to the ingestion of thousands of eggs (refer pgno:100 baveja 3 rd edition)', 'role': 'assistant'}]