Identify the major veins in the following diagram.
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a. ___
b. ___
c. ___
d. ___
e. ___
f. ___
g. ___
h. ___
i. ___

Which statement does not accurately describe veins?

a. Have less elastic tissue and smooth muscle than arteries.

b. Contain more fibrous tissue than arteries.

c. Most veins in the extremities have valves.

d. Always carry oxygen-poor blood.

In comparing a parallel artery and vein, you would find that

a. The artery wall is thicker

b. The artery diameter is greater

c. The artery lumen is smaller

d. The artery endothelium is thicker

Name three factors that are important in promoting venous return.

How is blood pressure maintained in veins to counter the force of gravity?

The vein that drains the dural sinuses of the brain is the 

(a) Cephalic vein

(b) Great saphenous vein

(c) Internal jugular vein

(d) Superior vena cava

The vein that collects most of the venous blood inferior to the diaphragm is the 

(a) Superior vena cava

(b) Great saphenous vein

(c) Inferior vena cava

(d) Azygos vein

A major difference between the arterial and venous systems is that 

(a) Arteries are usually more superficial than veins.

(b) In the limbs there is dual venous drainage.

(c) Veins are usually less branched compared to arteries.

(d) Veins exhibit a much more orderly pattern of branching in the limbs.

(e) Veins are not found in the abdominal cavity.

Which of the following can lead to decreased venous return of blood to the heart?

a. An increase in blood volume

b. An increase in venous pressure

c. Damage to the venous valves

d. Increased muscular activity