This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Liver, Subject name: Pathology
[{'content': "Hepatitis B associated with - \nSelect and explain. \nA. Wegener's granulomatosis, B. Systemic lupus eryihmatosus, C. Polyarteritis nodosa, D. Sjogren syndrome", 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Polyatrteritis nodosa o The hepatitis B surface antigen is present in 25% of patients with Polyarteritis Nodosa.o Hepatitis C antibody is present in patients with essential mixed cryoglobinuria and rarely in patients with poly arteritis nodosa.", 'role': 'assistant'}]