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
CART WHEEL APPEARANCE is a feature of which of the defensive cells of the pulp 
Select and explain. 
A. Mast cell, B. Plasma cell, C. Lymphocytes, D. Basophills
B: Plasma cell
Answer: B: Plasma cell 
Explanation: None