This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autonomic nervous system, Subject name: Pharmacology
[{'content': 'Cholinomimetics are useful in all the following conditions except \nSelect and explain. \nA. Glaucoma, B. Myasthenia gravis, C. Post operative atony of bladder, D. Paial hea block', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Refer kDT 7/e p108 Cholinergic drugs decreases the conduction from atrium to ventricle,thus they should be avoided in hea block Cholinergic drugs like pilocarpine and physostigmine are used in angle closure glaucoma. Neostigmine(Acetylcholinesterase inhibitor,a cholinergic drug)is used for treatment of Myasthenia Gravis Neostigmine is also used for post operative paralytic ileus and post operative urinary retention', 'role': 'assistant'}]