Medicine A 23 yr. old female came with arthritis, Malar rash, oral ulcers, serositis (pleuritis or pericarditis). The likely investigation to be positive is A Anti nuclear antibody B Anti collagen antibody C Anti epithelial antibody D Antigen antibody complexes 💡 Explanation A 23 yr. old female came with arthritis, Malar rash, oral ulcers, serositis (pleuritis or pericarditis). The likely investigation to be positive is ✓ Correct Answer: A. Anti nuclear antibody