This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Systemic Lupus Erythematous, Subject name: Medicine
[{'content': 'Which of the following auto antibodies is most likely to be present in a patient with systemic lupus erythematosus? \nSelect and explain. \nA. Anti- ds DNA, B. Anti-RNP, C. Anti-Ro, D. Antiphospholipid', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Subtypes of anti nuclear antibodies include anti-Smith and anti-double stranded DNA (dsDNA) antibodies (which are linked to SLE).', 'role': 'assistant'}]