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: Medicine
False positive rheumatoid factor can be associated with all except - 
Select and explain. 
A. Inflammatory bowel disease, B. HbsAg, C. VDRL, D. Coombs test
A: Inflammatory bowel disease
Answer: A: Inflammatory bowel disease 
Explanation: None