This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vesiculobullous & Erosive Diseases in the Newborn and Infant, Subject name: Skin
[{'content': 'In Pemphigus vulgaris, tzank smear shows - \nSelect and explain. \nA. Acantholytic cells, B. Macrophages, C. fibroblasts, D. Neutrophils', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Acantholytic cellso Tzank smear is done for vesiculobullous disorders.Tzank smear findings in bullous disordersDisordersFindingso PemphigusAcantholysiso Bullous pemphigoidPredominantly eosinophilso Varicella-zoster infectionMultinucleated giant cellso Herpes simpex infectionMultinucleated giant cellso Toxic epidermal necrolysisNecrotic cells", 'role': 'assistant'}]