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
False statement about Racecadotril is 
Select and explain. 
A. 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
B: It is a drug used in constipation
Answer: B: It is a drug used in constipation 
Explanation: Racecadotril is used in cases of diarrhoea, which acts by inhibiting breakdown of endogenous opioids by enkephalinase enzyme.