<prompt> Cholinomimetics are useful in all of the following conditions except:GlaucomaMyasthenia gravisPost operative atony of bladderPartial heart block  <response>: Ans. D Partial heart blockRef: KDT 8the p119122Cholinergic drugs decrease the conduction from atrium to ventricle, thus should be avoided in partial heart blockCholinergic drugs like pilocarpine and physostigmine are used in angle closure glaucomaNeostigmine acetylcholineesterase inhibitor, a cholinergic drug is used for treatment of myasthenia gravisNeostigmine is also used for post operative paralytic ileus and post operative urinary retention. 