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
Following is not true about 2nd degree deep burn? 
Select and explain. 
A. Reticular dermis involved, B. Blisters, C. Heals with scars, D. Painless
B: Blisters
Answer: B: Blisters 
Explanation: Blisters is formd due to 2nd degree superficial burn.