The result of an anti-nuclear antibody test was a titer of 1:320 with a peripheral pattern. Which of the following sets of results best correlate with these results?
a. anti-dsDNA titer 1:80 and a high titer of antibodies to Sm
b. antimitochondrial antibody titer 1:160 and antibodies to RNP
c. anti-Scl-70 and antibodies to single stranded DNA
d. high titers of anti-SS-A and anti-SS-B
Answer: A