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
Bacterial Index deals with 
Select and explain. 
A. Tuberculosis, B. Leprosy, C. Syphilis, D. Gonorrhea
B: Leprosy
Answer: B: Leprosy 
Explanation: In leprosy, Bacterial Index is the only objective way of monitoring the benefit of treatment. 0 No bacilli in any of 100 oil immersion fields1+ 1-10 in 1002+ 1-10 in 103+ 1-10 in each field4+ 10-1005+ 100-10006+ more than 1000It is calculated for each site examined an average is taken.Park 23e pg: 314