Medicine A young girl is admitted with joint pains and butterfly rash and positive urine proteinuria. The best test for her diagnosis is ? A Anti ds-DNA antibody B Anti-centromere antibody C Antibodies to RNP D Antibodies to tRNA synthetase 💡 Explanation A young girl is admitted with joint pains and butterfly rash and positive urine proteinuria. The best test for her diagnosis is ? ✓ Correct Answer: A. Anti ds-DNA antibody