This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
Chandler’s Index is used for: 
Select and explain. 
A. Filariasis, B. Ascariasis, C. Guinea worm, D. Ancylostoma
D: Ancylostoma
Answer: D: Ancylostoma 
Explanation: Chandler Index
It is the average number of hookworm eggs per gram of faeces for the entire community.