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': "Culture medium used for entamoeba histolytica - \nSelect and explain. \nA. Blood agar, B. Philip's medium, C. CLED medium, D. Trypticase serum", 'role': 'user'}, {'content': 'Answer: B \nExplanation: culture of entamoeba histolytica 1.polyaxenic culture- contains bacterial flora,serum,starch boeck and drbohalav was the first medium other media- balamuth&;s medium and nelsons medium 2.axenic culture- in the absence of bacteria TEXTBOOK OF MEDICAL PARASITOLOGY,BAVEJA,3RD EDITION,PAGE NO 17', 'role': 'assistant'}]