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Chapter 7 Study Guide: Blood Vessels Function and Types

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Chapter 7 Study Guide: Blood Vessels Function and Types

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Questions and Answers

What is the role of the tunica intima in blood vessels?

Serving as the inner layer made of epithelial tissue (correct)

Anchoring the blood vessels in place

Controlling blood flow and blood pressure

Creating the circular lumen

Why do arteries have a thicker media layer compared to veins?

To help prevent backflow of blood

To maintain a circular lumen

To maintain high blood pressure due to being under high pressure (correct)

To control blood flow and blood pressure

Which artery type has elastic fibers in all three tunics and allows for expansion and recoil?

Elastic Arteries (correct)

Muscular Arteries

Arterioles

Radial Artery

What is the function of arterioles in the circulatory system?

Distribute blood to organs and tissues Signup and view all the answers

What does systolic pressure represent in terms of heart function?

Maximum pressure during left ventricle contraction Signup and view all the answers

How is diastolic pressure defined and what is its significance?

Minimum pressure during left ventricle relaxation, reflecting constant vessel health Signup and view all the answers

What is the main function of arteries in the cardiovascular system?

Carry O2-rich blood from the heart to the organs Signup and view all the answers

Which blood vessels are responsible for carrying CO2-rich blood back to the heart in the cardiovascular system?

Veins Signup and view all the answers

What is the function of capillaries in the circulatory system?

Exchange substances between blood and interstitial fluid Signup and view all the answers

Which of the following correctly describes veins in the cardiovascular system?

Carry O2-rich blood from the organs back to the heart under low pressure Signup and view all the answers

What is NOT a function of arteries in the cardiovascular system?