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: Dental
[{'content': 'Which layer of skin causes vesicular change in case of burn – \nSelect and explain. \nA. Basal layer, B. Papillary layer, C. Epidermis, D. Dermis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: First degree burns involve epidermis, but it causes erythema (not blister).\nSecond degree burns involve dermis and forms subepidermal blisters.', 'role': 'assistant'}]