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: Pathology
[{'content': 'Bullous disease in which autoantibodies are formed against antigens of epidermal intercellular junctions \nSelect and explain. \nA. Pemphigus Vulgaris, B. Epidermolysis bullosa, C. Dermatitis herpatitis, D. Bullous pemphigoid', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Bulla development in pemphigus vulgaris is due to Acantholysis, this is disruption of intercellular attachment leading to intraepidermal bullae. Autoantibodies against desmosomal protein-desmoglein-3 mediate the pathogeneis.', 'role': 'assistant'}]