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': 'A patient has bullous Lesion.Which of the following is seen on on Tzank smear – \nSelect and explain. \nA. Langerhans cells, B. Acantholysis, C. Leucocytosis, D. Absence of melanin pigment', 'role': 'user'}, {'content': 'Answer: B \nExplanation: VZV and HSV infection\xa0\xa0→\xa0\xa0Multinucleated gaint cells\nPemphigus\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0→\xa0 Acantholytic cells\nPemphigoid \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0→ Predominantly eosinophils', 'role': 'assistant'}]