blood vessels structure quiz

Which type of blood vessel has three layers and is responsible for transporting high pressure blood and maintaining blood pressure?

• A) Arteries

• B) Veins

• C) Capillaries

• D) Venules

Which blood vessel type has vascular smooth muscle (VSM) and can exhibit large changes in diameter, making them 'resistance' vessels?

• Arteries

• Arterioles

• Capillaries

• Veins

Capillaries have only one layer, which is 1 cell thick and called ________, for exchange.

• endothelium

• epithelium

• myocardium

• pericardium

Which blood vessel type is responsible for the collection of blood from capillary beds?

• Arteries

• Arterioles

• Venules

• Veins

Veins have three layers and ________ for the return of low pressure blood to the heart.

• venous valves

• arterial walls

• capillary pores

• muscular pumps

Refer to the diagram of blood vessels. Which vessel is shown to have only an endothelium layer?

• A) Artery

• B) Vein

• C) Capillary

• D) Arteriole

What is the innermost layer of a blood vessel called?

• Lumen

• Endothelium

• Smooth muscle

• Connective tissue

Fill in the blank: The central area through which blood flows in a blood vessel is called the _______.

• lumen

• valve

• septum

• arteriole

Which type of blood vessel has thicker walls and smaller lumens compared to veins?

• Arteries

• Veins

• Capillaries

• Venules

Veins have valves that assist the unidirectional flow of blood back toward the heart.

• True

• False