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: Surgery
[{'content': "Which one is Not true regarding Buerger's disease? \nSelect and explain. \nA. Men are usually involved, B. Occurs below 50 yr of age, C. Smoking is predisposing factor, D. Veins and nerves are never involved", 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans is 'd' ie Veins and nerves are never involved Buerger ds is inflammatory ds of the aeries with involvement of the neighbouring veins and nerves terminating in thrombosis of the aery.", 'role': 'assistant'}]