This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Non communicable diseases, Subject name: Social & Preventive Medicine
Broca&;s index is 
Select and explain. 
A. Weight minus 100, B. Height minus 100, C. height /weight, D. Weight /height
B: Height minus 100
Answer: B: Height minus 100 
Explanation: The Broca Index, also known as the Broca formula was devised back in 1871 by the French physician, surgeon and anthropologist Paul Broca, as a measure of the normal weight of a person. Broca Index Normal Weight = Body Height - 100. Ref: Park 25th edition Pgno : 418