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
Lymphocytes found in the pulp proper are: 
Select and explain. 
A. T lymphocytes, B. B lymphocytes, C. Both, D. None
A: T lymphocytes
Answer: A: T lymphocytes 
Explanation: Lymphocytes, both T and B, are found in cell-rich zone and function in an immune capacity of the pulp.
But in pulp-proper zone, only T-lymphocytes are present.