This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Medicine
[{'content': 'All are true regarding treatment of Guillain-Barre syndrome except- \nSelect and explain. \nA. Coicosteroid used for early recovery and prevent long stay, B. High dose intravenous immune globulin (IVIg) can be initiated, C. Plasmapheresis can be done, D. High-dose intravenous immune globulin (IVIg) and plasmapheresis are equally effective', 'role': 'user'}, {'content': "Answer: A \nExplanation: Harrison's principles and practices of medicine 22 edition. *Active treatment with plasma exchange (plasmapheresis)or intravenous immunoglobulin therapy shoens the duration of ventilation and improves prognosis in case of GBS. In severe GBS,i.v Ig staed within 2 weeks of onset hasten recovery as much as plasmapheresis In mild GBS,2 session of plasmapheresis In moderate ,4session is significantly superior to 2 .", 'role': 'assistant'}]