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': 'All are true regarding treatment of Guillain-Barre syndrome, EXCEPT: \nSelect and explain. \nA. Coicosteroid are used for early recovery and to prevent complications, B. High-dose intravenous immune globulin can be initiated, C. Plasmapheresis can be indicated, D. High-dose intravenous immune globulin and plasmapheresis are equally effective', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In the vast majority of patients with GBS, treatment should be initiated as soon after diagnosis as possible. 2 weeks after the first motor symptoms, immunotherapy is no longer effective. Either high-dose intravenous immune globulin (IVIg) or plasmapheresis can be initiated, as they are equally effective. A combination of the two therapies is not significantly better than either alone. Glucocoicoid administration does not shoen the course or prognosis of GBS.', 'role': 'assistant'}]