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: Social & Preventive Medicine
Obesity Index defined as Height (cm) - 100 
Select and explain. 
A. BMI, B. Broca's Index, C. Ponderal Index, D. Corpulence Index
B: Broca's Index
Answer: B: Broca's Index 
Explanation: None