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
Short elimination half–life (8–10 min) of esmolol (beta–adrenergic blocker) is due to: 
Select and explain. 
A. Rapid redistribution, B. Rapid elimination by kidney, C. Hydrolysis by blood esterase, D. Rapid protein binding
C: Hydrolysis by blood esterase
Answer: C: Hydrolysis by blood esterase 
Explanation: None