<prompt> Which of the following antibodies is most frequently seen in Antiphospholipid Syndrome?Beta 2 microglobulin antibodyAnti-nuclear antibodyAnti-centromere antibodyAnti- beta 2 glycoprotein antibody  <response>: Ans. d Anti- beta 2 glycoprotein antibodyRef: Robbins 9thpg 124; 8thpg 123Anti- beta 2 glycoprotein antibody is most frequently seen in Antiphospholipid Syndrome 