This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Anti fibrillarin antibodies are met with ? 
Select and explain. 
A. Rheumatoid Ahritis, B. Systemic Lupus Erythematosis, C. Mixed Connective Tissue disease, D. Systemic scerosis
D: Systemic scerosis
Answer: D: Systemic scerosis 
Explanation: Ans. is 'd' i.e., Systemic sclerosisAntifibrillin antibodies are found in ?Scleroderma (systemic sclerosis)Type I DM (IDDM)Marfan syndrome