This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET 2018, Subject name: Orthopaedics
In rheumatoid ahritis, which types of cells are prominently present? 
Select and explain. 
A. Lymphocyte, B. CD4+helper cells, C. Macrophages, D. Dendritic cells
B: CD4+helper cells
Answer: B: CD4+helper cells 
Explanation: In rheumatoid ahritis, CD4+helper cells are prominently present.