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
Venous return to hea during quiet standing is facilitated by all of the following factors, except: 
Select and explain. 
A. Calf muscle contraction during standing, B. Valves in perforators, C. Sleeves of deep fascia, D. Gravitational increase in aerial pressure
D: Gravitational increase in aerial pressure
Answer: D: Gravitational increase in aerial pressure 
Explanation: Gravitational increase in aerial pressure decrease the venous return. Ref: Srb's Manual of Surgery By Sriram Bhat, Page 188.