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
RPR is done for diagnosis of: 
Select and explain. 
A. Malaria, B. Syphilis, C. Leishmaniasis, D. None
B: Syphilis
Answer: B: Syphilis 
Explanation: Ans. is. 'b' i. e., Syphilis