This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Plastic & Reconstructive Surgery, Subject name: Surgery
[{'content': 'Which layer involved in blister formation in a superficial partial thickness burn: \nSelect and explain. \nA. Epidermis, B. Dermis, C. Papillary dermis, D. Reticular dermis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Papillary dermisRef: Surgery Sixer 2nd edition, Page 892* First degree: Involves only epidermis* Second degree: Involves epidermis and some part of dermis. (Also known as partial thickness burns)Further divided into:* Superficial second degree or superficial partial thickness involves upper part of dermis* Deep second degree or deep partial thickness extends up to reticular layer of dermis.* Third degree or full thickness burns -- involves full thickness of dermis* Fourth degree burns -- involves subcutaneous fat and deep structures.', 'role': 'assistant'}]