This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pharmacology
[{'content': 'All of the following are true regarding chlorpropamide except: \nSelect and explain. \nA. It is sho acting, B. It can cause hypoglycemia in elderly, C. Causes weight gain, D. Associated with alcoholic flush', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Chlorpropamide is a long acting sulfonylurea and can cause prolonged hypoglycemia. HalfLIfe- 36 hrs (REF.Essential of medical pharmacology K D TRIPATHI 6 Edition, Page No - 268)', 'role': 'assistant'}]