<prompt> Which of the following autoantibodies is most likely to be present in a patient with SLE?Anti-ds DNAAnti RoAnti-PhospholipidAnti-Ribosomal P  <response>: Ans. A. Anti-ds DNAAnti-ds DNA is present in 65 cases of SLE and is a marker of development of lupus nephritis.Anti Ro is present in 30 cases and is a marker of cutaneous lupus and development of congenital CHB in the baby of mother with SLE. Anti-phospholipid are present in 40 cases and are a marker of recurrent fetal loss and thrombosis.Anti-ribosomal P antibody is present in 20 cases only and is a marker of psychosis 