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
Antinuclear antibody specific for SLE is ? 
Select and explain. 
A. Anti ds DNA, B. Anti nuclear antibodies, C. Anti centromere antibody, D. Anti histone Ab
A: Anti ds DNA
Answer: A: Anti ds DNA 
Explanation: Ans. is 'a' i.e., Anti ds DNA