Vascular: Key Terms

What are collapsible vascular structures that carry blood back to the heart?

• SVC

• IVC

• Veins

• Arteries

What is a permanent localized dilation of an artery, with an increase in diameter of 1.5 times its normal diameter?

• AAA

• Pseudoaneurysm

• True Aneurysm

• Fusiform Aneursym

What are the tiny arteries and veins called that supply the walls of the blood vessels?

• Arterioles

• Capillaries

• Vasa Vasorum

• Venules

What is a communication between two blood vessels without any intervening capillary networks?

• Arteries

• Anastomosis

• Veins

• Capillaries

What is the external layer of a vessel called?

• Tunica intimia

• Tunica media

• Tunica adventita

• Vasa Vasorum

What is the largest arterial structure in the body?

• Veins

• Aorta

• Hepatic Veins

• Common Hepatic Artery

What is the middle layer of a vessel called?

• Tunica intima

• Tunica media

• Tunica adventitia

• Vasa Vasorum

Which has a thinner tunica media?

• Veins

• Arteries

What layer of the vascular system contains the vasa vasorum?

• Tunica intimia

• Tunica media

• Tunica adventitia

What is not a part of the tunica intima?

• A layer of endothelial cells lining the arterial passage (lumen)

• A layer of connective tissue

• An elastic layer made up of a network of elastic fibers

• Loose connective tissue with bundles of smooth muscle fibers and elastic tissue