This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Death and postmortem changes, Subject name: Forensic Medicine
10 year old boy burnt his back. How much of his BSA does it contribute 
Select and explain. 
A. 13%, B. 15%, C. 19%, D. 16%
D: 16%
Answer: D: 16% 
Explanation: Estimation of percentage of BSA burned ( Lund and Browder) 10-14 yrs Head and neck -13% Front of trunk- 16% Back of Trunk- 16% Upper limb- 19% Lower limb- 34% Ref: K.S.Narayan Reddy's Synopsis of Forensic Medicine and Toxicology, 29th edition, Chapter 11, Page- 160.