Plasmapharesis is used in all of the following except: (A) Myaesthenic crisis, (B) Cholinergic crisis, (C) Gullian Barre syndrome, (D) Polymyositis
Answer is B. 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