Which of the following is true about veins?

Question

Quizplus · Accepted Answer

Veins are called capacitance vessels or blood reservoirs because they can stretch and hold a large volume of blood. A is incorrect because veins actually have a large lumen in relation to the thickness of the vessel wall. C is incorrect because up to 60% of total body blood is in venous circulation at any given time. D is incorrect because venous valves are formed from folds of the tunica intima, not the tunica media.

Which of the Following Is True About Veins