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 of the following is not a cardinal feature of acute limb ischemia? \nSelect and explain. \nA. Pallor, B. Paraesthesia, C. Pain, D. Increased temperature', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The cardinal feature of acute limb ischemia includes pain, paraesthesia which may later develop into anaesthesia, pallor, pulselessness, paralysis and perishing cold. Ref: Oxford Handbook of Accident and Emergency Medicine, 2nd Edition, Page 508.', 'role': 'assistant'}]