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?

<p>Distribute blood to organs and tissues (C)</p> Signup and view all the answers

What does systolic pressure represent in terms of heart function?

<p>Maximum pressure during left ventricle contraction (B)</p> Signup and view all the answers

How is diastolic pressure defined and what is its significance?

<p>Minimum pressure during left ventricle relaxation, reflecting constant vessel health (C)</p> Signup and view all the answers

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

<p>Carry O2-rich blood from the heart to the organs (C)</p> Signup and view all the answers

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

<p>Veins (D)</p> Signup and view all the answers

What is the function of capillaries in the circulatory system?

<p>Exchange substances between blood and interstitial fluid (D)</p> Signup and view all the answers

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

<p>Carry O2-rich blood from the organs back to the heart under low pressure (B)</p> Signup and view all the answers

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

<p>Exchange substances between blood and interstitial fluid (D)</p> Signup and view all the answers

Why are capillaries crucial in the circulatory system?

<p>To facilitate exchange between blood and interstitial fluid (D)</p> Signup and view all the answers

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