This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fungal infections, Scabies, Pediculosis, Subject name: Dental
[{'content': 'Pruritis is seen in all except \nSelect and explain. \nA. Pemphigus, B. Lichen simplex chronicus, C. Psoriasis, D. Contact dermitits', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In pemphigous there is presence of flaccid bullae that rapidly rupture producing painful erosions and heal slowly. They appear predominantly on scalp, face, flexures, trunk and periungual area. All other conditions produce itching. Iadvl textbook of dermatology', 'role': 'assistant'}]