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
Plasmapharesis is used in all of the following except- 
Select and explain. 
A. Myaesthenic crisis, B. Cholinergic crisis, C. Gullian Barre syndrome, D. Polymyositis
B: Cholinergic crisis
Answer: B: Cholinergic crisis 
Explanation: None