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
A patient has Bullous Lesion; on Tzank smear 
Select and explain. 
A. Langerhans cells are seen, B. Acontholysis, C. Leucocytosis, D. Absence of melanin pigment
B: Acontholysis
Answer: B: Acontholysis 
Explanation: B i.e. Acantholysis