<prompt> A girl child came with complaints of involuntary movements was diagnosed as a case of Syndenhams chorea, suggestive of a diagnosis of acute rheumatic fever. There is no complaint of carditis or ahritis. Throat culture is negative. Which of the following will most likely suggest recent streptococcal infection?ASLOAntistreptolysin SPCR for M proteinAnti-hyaluronidase  <response>: Ans. a. ASLO 