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 among the following is not a feature of peripheral aerial occlusion - \nSelect and explain. \nA. Shock, B. Pallor, C. Pain, D. Pulselessness', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans is 'a' ie. Shock Symptoms and signs of peripheral aerial occlusion are classically remembered by 5 Ps. Pain * Pallor * Pulselessness * Paralysis & Paraesthesia (actually it is anesthesia, complete loss of sensation) Some add a sixth 'P' - 'poikilothermia' or 'perishing cold' MC presenting symptom of acute aerial occlusion --> Pain (Schwaz Pretest)", 'role': 'assistant'}]