This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thermal injury, Subject name: Forensic Medicine
Rule of 9 burns is used to denote - 
Select and explain. 
A. Depth of burns, B. % of total body surface area, C. Severity of burns, D. Type of burns
B: % of total body surface area
Answer: B: % of total body surface area 
Explanation: RULE OF NINE: The estimation of the surface area of the body involved is usually worked out by the rule of nine. It is applied for adults. REF: The Synopsis of the Forensic Medicine and Toxicology 29th edition page no: 160.