This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
HLA Associated with Rheumatoid ahritis is? 
Select and explain. 
A. HLAB27, B. HLA-DR4, C. HLA CW6, D. HLAB8
B: HLA-DR4
Answer: B: HLA-DR4 
Explanation: harshmohan textbook of pathology 7th edition. *RA has high association with HLA DR4 ,HLA DR1 and famalian aggregation.