This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable Diseases, Subject name: Social & Preventive Medicine
Which index is used in relation to Hookworm infestation - 
Select and explain. 
A. Quetelet's index, B. Chandler's index, C. Soiling index, D. Broca's index
B: Chandler's index
Answer: B: Chandler's index 
Explanation: Ans. is 'b' i.e., Chandler's index o Has been explained in previous sessions