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': 'Characteristic of Guillain-Barre syndrome is:September 2005 \nSelect and explain. \nA. Profouund sensory loss, B. Loss of limb reflex, C. Residual paralysis, D. Descending paralysis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B: Loss of limb reflex', 'role': 'assistant'}]