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: Pharmacology
[{'content': 'All are true about neostigmine except - \nSelect and explain. \nA. Teiary ammonium compound, B. Given to reduce effect of depolarising muscle relaxation, C. Given to reduce post operative paralytic ileus, D. Help in urinary retention', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Teiary ammonium compound o Neostigmine is a synthetic compound (a carbamic acid ester) and is a quaernary ammonium compound. o It causes reversal of the paralysis of competitive neuromuscular blocking drugs. o Neostigmine enhances gastric contractions and increases the secretion of gastric acid so it is used in the treatment of paralytic ileus. o Neostigmine is used for the treatment of atony of the detrusor muscle of the urinary bladder, thus postoperative dysuria is relieved, and the time interval between operation and spontaneous urination is shoened.", 'role': 'assistant'}]