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: Pathology
The most sensitive test for SLE - 
Select and explain. 
A. Anti ds DNA, B. ANA, C. Anti histone, D. Complement C levels
B: ANA
Answer: B: ANA 
Explanation: Ans. is 'b' i.e., ANA