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': 'False statement about Racecadotril is \nSelect and explain. \nA. It is a peripheral acting enkephalinase inhibitor, B. It is a drug used in constipation, C. It is metabolized by liver, D. It has antisecretory action on GIT', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Racecadotril is used in cases of diarrhoea, which acts by inhibiting breakdown of endogenous opioids by enkephalinase enzyme.', 'role': 'assistant'}]