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': "Chandler's Index is used for \nSelect and explain. \nA. Filariasis, B. Ascariasis, C. Guinea worm, D. Ancylostoma", 'role': 'user'}, {'content': "Answer: D \nExplanation: Chandler Index It is the average number of hookworm eggs per gram of faeces for the entire community. Ref : Paniker's textbook of Medical Parasitology 8th edition Pgno : 182", 'role': 'assistant'}]