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': 'In Tzanck smear multinucleated cells are seen in – \nSelect and explain. \nA. Chicken pox, B. Psoriasis, C. Molluscum contagiosum, D. Pemphigus vulgaris', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Blisters of varicella-zoster (chicken pox) show multinucleated gaint cells on Tzanck smear.', 'role': 'assistant'}]