Which Statement Is Incorrect

Multiple Choice

Which statement is incorrect?

A) Venous flow from the legs is under the control of the calf muscle pump.
B) During exercise, venous pressure at foot level exceeds 40 mm Hg.
C) The direction of venous flow normally is from the superficial venous system to the deep venous system.
D) Veins can withstand tremendous volume change with little change in transmural pressure because of the small amount of elastin found in the venous wall.