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: Physiology
Na dependent glucose transpo is /are inhibited by: 
Select and explain. 
A. Oubain, B. Na azide, C. Phlorhizine, D. Phloretin
C: Phlorhizine
Answer: C: Phlorhizine 
Explanation: C i.e. Phlorhizine