This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Microbiology
Which parasite lives in bladder plexus? 
Select and explain. 
A. Schistosoma, B. Fasciola, C. Ascaris, D. Echinococcus
A: Schistosoma
Answer: A: Schistosoma 
Explanation: All the schistosomes live in venous plexus in the body of definitive host S. haematobium in urinary bladder S.mansoni in sigmodorectal region S. japonicum in ileocaecal region