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
True statement regarding inverse agonists is? 
Select and explain. 
A. Binds to receptor and causes intended action, B. Binds to receptor and causes opposite action, C. Binds to receptor and causes no action, D. Binds to receptor and causes submaximal action
B: Binds to receptor and causes opposite action
Answer: B: Binds to receptor and causes opposite action 
Explanation: Ans. is 'b' i.e., Binds to receptor and causes opposite action