Quiz on the Cardiovascular System: Blood Vessels

What are the three major types of blood vessels?

• Arterioles, Venules, Capillaries

• Arteries, Veins, Capillaries

• Arteries, Lymphatics, Veins

• Veins, Capillaries, Nerves

Which type of blood vessel carries oxygen-rich blood away from the heart?

• Veins

• Capillaries

• Venules

• Arteries

What is the central blood-containing space of a blood vessel called?

• Endothelium

• Lumen

• Capillary

• Tunica

Which layer of the blood vessel wall is in direct contact with blood?

• Subendothelial layer

• Tunica intima

• Tunica media

• Tunica externa

What type of arteries are known as pressure reservoirs?

• Muscular arteries

• Capillaries

• Elastic arteries

• Arterioles

What is the primary role of venous valves?

• Store excess blood

• Increase blood pressure

• Prevent backflow of blood

• Facilitate gas exchange

Which type of capillary is characterized by having pores?

• Continuous capillaries

• Fenestrated capillaries

• Muscular capillaries

• Sinusoid capillaries

What is the function of pericytes in capillaries?

• Stabilize walls and control permeability

• Store nutrients

• Regulate blood pressure

• Transport oxygen

What is the main difference between arteries and veins?

• Arteries have valves

• Veins have larger lumens

• Veins have thicker walls

• Arteries carry oxygen-depleted blood

Which blood vessels are known as capacitance vessels?

• Veins

• Arterioles

• Arteries

• Capillaries