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: Surgery
Whole hand burns represent what percentage of total body surface area: 
Select and explain. 
A. 1%, B. 9%, C. 18%, D. 27%
A: 1%
Answer: A: 1% 
Explanation: Ans: A i.e. 1% Percentage of burns The patients whole hand is 1% TBSA, and is a useful guide in small burns Each upper limb and head & neck is 9% as per rule of nine Each lower limb & torso, each side is 18%