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': 'Which of the following H2 blocker also have Anticholinesterase property \nSelect and explain. \nA. Famotidine, B. Nizatidine, C. Cimetidine, D. Loxatidine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Niizatidine is a H2 blocker with additional anticholineterase activity. Therefore it enhances gastric emplying and also cause bradycardia.', 'role': 'assistant'}]