This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Blistering disorders, Subject name: Dental
[{'content': 'Disease of dermoepidermal junction is: \nSelect and explain. \nA. Staphylococcal scalded skin syndrome, B. Pemphigus vulgaris, C. Bullous pemphigoid, D. Atopic dermatitis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: BPAg 1 and 2 involved in Bullous pemphigoid are present in dermoepidermal junction. Diseases of DEJ: Bullous Pemphigoid Dermatitis Herpetiformis Linear IgA disease Epidermolysis bullosa dystrophica.', 'role': 'assistant'}]