32

Gas exchange takes place between tissue cells and blood through capillary walls.

True

The anterior tibial artery terminates with the __________ artery, which is often palpated in patients with circulatory problems to determine the circulatory efficiency of the lower limb.

dorsalis pedis

Name the vein at A.

Femoral vein

Veins draining the head and upper extremities empty into the __________ vena cava.

Superior

Which layer of the typical vessel can be regulated to constrict or dilate the lumen?

Túnica media

In the developing fetus, the umbilical __________ carries blood rich in nutrients and oxygen to the fetus.

Vein

The __________ is the largest artery of the body

aorta

From what artery does the right common carotid artery arise?

brachiocephalic trunk

Which artery branches into the common hepatic artery, splenic artery, and left gastric artery?

celiac trunk

Located in the lower limb, the _____ is the longest vein in the body

great saphenous

Which vein originates on the medial foot and empties into the femoral vein?

great saphenous vein (B)

The _____ veins drain the liver

hepatic

The function of the __________ is to drain the digestive viscera and carry dissolved nutrients to the liver for processing.

hepatic portal circulation

The largest branch of the abdominal aorta, the __________ artery, supplies most of the small intestine and the first half of the large intestine.

superior mesenteric

Name the artery at C.

superior mesenteric artery

Which layer of the typical blood vessel is constructed from simple squamous epithelium?

tunica intima

drain tissues and return blood to the heart

veins