19. The Blood Vessels

Identify the major veins in the following diagram.

a. ___

b. ___

c. ___

d. ___

e. ___

f. ___

g. ___

h. ___

i. ___

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

Which of the following vessels does not drain into the hepatic portal vein?

a. Splenic vein

b. Inferior mesenteric vein

c. Gastric vein

d. Renal vein

e. Superior mesenteric 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.

The lowest pressure in the systemic circuit occurs in the:

a. Arteries

b. Arterioles

c. Capillaries

d. Venules

e. Veins

A major difference between venules and arterioles is that: