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
A patient has bullous Lesion.Which of the following is seen on on Tzank smear – 
Select and explain. 
A. Langerhans cells, B. Acantholysis, C. Leucocytosis, D. Absence of melanin pigment
B: Acantholysis
Answer: B: Acantholysis 
Explanation: VZV and HSV infection  →  Multinucleated gaint cells
Pemphigus                   →  Acantholytic cells
Pemphigoid                  → Predominantly eosinophils