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
Rule of 9 in burns is used to denote ? 
Select and explain. 
A. Depth of bums, B. % of total body surfacearea, C. Severity of bums, D. Type of bums
B: % of total body surfacearea
Answer: B: % of total body surfacearea 
Explanation: Ans. is 'b' i.e., % of total body surface area