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: Forensic Medicine
Crural index is: 
Select and explain. 
A. Length of tibia/femur x 100, B. Length of radius/humerus x 100, C. Length of fibula/tibia x 100, D. Length of radius/ulna x 100
A: Length of tibia/femur x 100
Answer: A: Length of tibia/femur x 100 
Explanation: Ans. Length of tibia/femur x 100