This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immune system, Subject name: Medicine
[{'content': 'Plasmapharesis is used in all of the following except \nSelect and explain. \nA. Myaesthenic crisis, B. Cholinergic crisis, C. Gullian Barre syndrome, D. Polymyositis', 'role': 'user'}, {'content': "Answer: B \nExplanation: Plasmapheresis of the autologuous and exchange types is used to treat a variety of disorders, including those of the immune system, such as Goodpasture's syndrome, Guillain-Barre syndrome, lupus, Polymyositis , myasthenia gravis, and thrombotic thrombocytopenic purpura. Ref - pubmed.com", 'role': 'assistant'}]