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
All the following statements regarding adenosine are true except: 
Select and explain. 
A. Dipyridamole potentiates its action, B. Used to produce controlled hypotension, C. Administered by slow I.V. injection, D. Administered by rapid I.V. injection
C: Administered by slow I.V. injection
Answer: C: Administered by slow I.V. injection 
Explanation: None