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: Medicine
[{'content': 'All of the following statements about primary sclerosing cholangitis are true, Except: \nSelect and explain. \nA. Increased risk associated with smoking, B. Associated with Ulcerative colitis, C. GGT elevation occurs early, D. Pruiritis is a common presenting symptom', 'role': 'user'}, {'content': "Answer: A \nExplanation: Answer is A (Increased risk associated with smoking)Smoking is associated with a decreased risk of developing primary sclerosing cholangitis (and not an increased risk) As in ulcerative colitis, smoking is associated with a decreased risk of primary sclerosing cholangitis' -- CMDTTwo impoant conditions with decreased risk from smokingUlcerative colitis (UC)QPrimary sclerosing cholangitis (PSC) Q", 'role': 'assistant'}]