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
Two drugs having opposite action on different receptors is which type of antagonism ? 
Select and explain. 
A. Physical antagonism, B. Competitive antagonism, C. Non competitive antagonism, D. Physiological antagonism
D: Physiological antagonism
Answer: D: Physiological antagonism 
Explanation: None