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
In Pemphigus vulgaris, tzank smear shows - 
Select and explain. 
A. Acantholytic cells, B. Macrophages, C. fibroblasts, D. Neutrophils
A: Acantholytic cells
Answer: A: Acantholytic cells 
Explanation: 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