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: Surgery
Felty's syndrome is associated with which of the following: September 2009 
Select and explain. 
A. Osteoahritis, B. Rheumatoid ahritis, C. Ankylosing spondylitis, D. Psoriatic ahritis
B: Rheumatoid ahritis
Answer: B: Rheumatoid ahritis 
Explanation: Ans. B: Rheumatoid Ahritis