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
Which is not included in diagnostic criteria's for rheumatoid ahritis: September 2011 
Select and explain. 
A. Symmetric swelling, B. Morning stiffness, C. Positive Rheumatoid factor, D. Swelling of any 2 joints of the bodies
D: Swelling of any 2 joints of the bodies
Answer: D: Swelling of any 2 joints of the bodies 
Explanation: Ans. D: Swelling of any 2 joints of the bodies New diagnostic criteria for rheumatoid ahritis (1987) includes 1) morning stiffness, 2) swelling of 3 or more specified joints, 3) swelling of joINTEGER(s) in the hands and wrist, 4) symmetrical swelling, 5) rheumatoid nodule, 6) rheumatoid factor positive and 7) X-ray changes - erosion or unequivocal peri-aicular osteopenia If four or more of these are present, it is rheumatoid ahritis