This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bleeding Disorders, Subject name: Pathology
[{'content': 'Which of the following antibodies is most frequently seen in Antiphospholipid Syndrome? \nSelect and explain. \nA. Beta 2 microglobulin antibody, B. Anti-nuclear antibody, C. Anti-centromere antibody, D. Anti- beta 2 glycoprotein antibody', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) Anti- beta 2 glycoprotein antibody(Ref: Robbins 9th/pg 124; 8th/pg 123)Anti- beta 2 glycoprotein antibody is most frequently seen in Antiphospholipid Syndrome', 'role': 'assistant'}]