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: Radiology
Tzank cell is a - 
Select and explain. 
A. Lymphocyte, B. Monocyte, C. Neutrophil, D. Keratinocyte
D: Keratinocyte
Answer: D: Keratinocyte 
Explanation: D. i.e. Keratinocyte