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
Which of the following is true about grade 4 burns 
Select and explain. 
A. Involves all layers of the skin, B. Involves the whole skin along with subcutaneous tissue, C. Includes electric burns, D. Involves the dermis paially
B: Involves the whole skin along with subcutaneous tissue
Answer: B: Involves the whole skin along with subcutaneous tissue 
Explanation: Answer- B. Involves the whole skin along with subcutaneous tissue