This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vascular surgery, Subject name: Surgery
[{'content': 'True about Pseudoclaudication is \nSelect and explain. \nA. Pain increases on walking uphill, B. Pain decreases on standing still, C. Leaning forward reduces pain, D. Pulses may be feeble or absent', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Psedoclaudication Or Lumbar canal stenosis OPaicular dermatomal pain, associated with motor weakness, OIncreases in standing long duration and relieved by the change in positions like leaning forwards. OAlso, pain is less on walking uphill but increases on walking downhill.', 'role': 'assistant'}]