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: Surgery
C.V.P. (Central Venous Pressure) and pulmonary wedge pressure give an accurate assessment of all the following except - 
Select and explain. 
A. Tissue perfusion, B. Volume depletion, C. Volume overload, D. Myocardial function
A: Tissue perfusion
Answer: A: Tissue perfusion 
Explanation: None