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: Skin
[{'content': 'Tzank smear in varicella-zoster shows ? \nSelect and explain. \nA. Acantholysis, B. Spongiosis, C. Multinucleated Giant cell, D. Necrotic cell', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Multinucleated Giant cell", 'role': 'assistant'}]