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: Microbiology
Most efficient antigen presenting cell in the skin ? 
Select and explain. 
A. Dendritic cell, B. Macrophages, C. Langerhans cell, D. Kupffer cells
C: Langerhans cell
Answer: C: Langerhans cell 
Explanation: Ans. is 'c' i.e., Langerhan's cell . Dendritic cells are the most potent and effective antigen presenting cells in the body.----Harrison . In skin, these specialized dendritic cells are called Langerhans cells.