This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Shock, Subject name: Surgery
Shock is clinically best assessed by:- 
Select and explain. 
A. Urine output, B. CVP, C. BP, D. Hydration
A: Urine output
Answer: A: Urine output 
Explanation: Shock is clinically best assessed by urine output. Ultimately, the goal of treatment is to restore cellular and organ perfusion. Ideally, therefore, monitoring of organ perfusion should guide the management of shock. The best measures of organ perfusion and the best monitor of the adequacy of shock therapy remains the urine output.