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
Degree of burns in a patient with blister formation is 
Select and explain. 
A. 2nd degree superficial, B. 2nd degree deep, C. 1st degree burns, D. Full thickness burns
A: 2nd degree superficial
Answer: A: 2nd degree superficial 
Explanation: Blisters are formed when only papillary dermis is destroyed.