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: Microbiology
Biological False l'ositive/ BFP serological test for syphilis may be encountered in: September 2004 
Select and explain. 
A. Viral hepatitis, B. SLE, C. Leprosy, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Ans. D i.e. All of the above