This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Which of the following is false regarding first degree burns 
Select and explain. 
A. Pain is the chief symptom, B. Blister formation, C. Protective functions of skin are intact, D. No residual scar
B: Blister formation
Answer: B: Blister formation 
Explanation: First degree burns: Involves only epidermis, painful but donot blister, protective functions are intact as nd heals without scar Second degree burns: Dermal involvement and are extremely painful with weeping and blisters Third degree burns: Leathery, painless and non blanching