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 of the following are true about Nizatidine except \nSelect and explain. \nA. It is a H2 blocker used in peptic ulcer disease, B. It has 100% Bioavailability, C. It also enhances gastric emptying, D. It can also lead to tachycardia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Nizatidine is a H2\xa0blocker with anticholinesterase activity, thus enhances gastric emptying and can also cause bradycardia.', 'role': 'assistant'}]