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
Antinuclear antibodies are seen in - 
Select and explain. 
A. SLE, B. Systemic sclerosis, C. Morphea, D. All
D: All
Answer: D: All 
Explanation: Ans. is 'a' i.e., SLE; 'b' i.e., Systemic sclerosis & 'c' i.e., Morphea