Histology of cardiovascular system

What is the primary function of the tunica media in large arteries?

• Support and flexibility

• Oxygen transport

• Vasoconstriction and vasodilation

• Immune defense

Which layer of a large artery contains collagen fibers and blood vessels that nourish the outer layers of the vessel wall?

• Tunica intima

• Tunica media

• Tunica externa

• External lamina

What is the role of elastic fibers in the tunica media of large arteries?

• Support and flexibility

• Blood clotting

• Oxygen transport

• Immune defense

Which component of a large artery allows it to stretch and recoil with each heartbeat?

• Smooth muscle cells

• Collagen fibers

• Elastic fibers

• Endothelium

What distinguishes a large artery from a medium-sized artery in terms of histology?

• Size of the lumen

• Presence of elastic lamellae

• Thickness of the tunica media

• Presence of vasa vasorum

Which layer of a large artery contains collagen fibers and blood vessels that nourish the outer layers of the vessel wall?

• Tunica intima

• Tunica media

• Tunica externa

• External lamina

What is the primary function of the tunica media in large arteries?

• Support and flexibility

• Oxygen transport

• Vasoconstriction and vasodilation

• Immune defense

What is the role of elastic fibers in the tunica media of large arteries?

• Support and flexibility

• Blood clotting

• Oxygen transport

• Immune defense

What is the primary function of the tunica media in large arteries?

• Support and flexibility

• Oxygen transport

• Vasoconstriction and vasodilation

• Immune defense

Which layer of a large artery contains collagen fibers and blood vessels that nourish the outer layers of the vessel wall?

• Tunica intima

• Tunica media

• Tunica externa

• External lamina