Histology of Cardiovascular System Quiz
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Questions and Answers

What is the main function of the cardiovascular system?

  • To pump blood to the lungs
  • To transport and distribute oxygen, nutrients, wastes, and body fluids (correct)
  • To regulate body temperature
  • To transport oxygen and nutrients only

    • Which component of the cardiovascular system carries blood from the heart to the tissues?

  • Veins
  • Pulmonary veins
  • Capillaries
  • Arteries (correct)

    • What is the composition of the Tunica Media in blood vessels?

  • Endothelium and subendothelial connective tissue
  • Purkinje fibers
  • Type I Collagen and Elastic Fibers
  • Mainly smooth muscle fibers (correct)

    • Which layer of the blood vessel wall contains small vessels called Vasa Vasorum?

    <p>Tunica Adventitia</p> Signup and view all the answers

    Which chamber of the heart receives deoxygenated blood from the veins?

    <p>Right atrium</p> Signup and view all the answers

    What is the innermost layer of the heart called?

    <p>Endocardium</p> Signup and view all the answers

    Which layer of the heart consists of a single layer of squamous mesothelial cells and a thin basal lamina?

    <p><strong>Epicardium</strong></p> Signup and view all the answers

    Which layer contains mainly cardiac muscle with fibers arranged spirally around each heart chamber?

    <p>Myocardium</p> Signup and view all the answers

    In which layer does thickening occur in the walls of the ventricles, especially in the left ventricle?

    <p>Myocardium</p> Signup and view all the answers

    Which vessels supply oxygen and nutrients to cells in the vessel wall that are too far from the lumen to be nourished by diffusion?

    <p>Vasa Vasorum</p> Signup and view all the answers

    Which layer contains small blood vessels, nerves, and in the ventricles, contains conducting (Purkinje) fibers of the heart’s impulse conducing system?

    <p>Subendocardium</p> Signup and view all the answers

    What is the main function of the Tunica Intima in blood vessels?

    <p>Consists of endothelium and subendothelial connective tissue</p> Signup and view all the answers

    Which layer of the blood vessel wall contains small vessels called Vasa Vasorum?

    <p>Tunica Adventitia</p> Signup and view all the answers

    In which layer does thickening occur in the walls of the ventricles, especially in the left ventricle?

    <p>Tunica Media</p> Signup and view all the answers

    What is the composition of the Tunica Media in blood vessels?

    <p>Consists mainly of smooth muscle fibers</p> Signup and view all the answers

    Which component of the cardiovascular system carries blood from the heart to the tissues?

    <p>Arteries</p> Signup and view all the answers

    What is the innermost layer of the heart called?

    <p>Endocardium</p> Signup and view all the answers

    Which layer contains mainly cardiac muscle with its fibers arranged spirally around each heart chamber?

    <p>Myocardium</p> Signup and view all the answers

    Which chamber of the heart receives deoxygenated blood from the veins?

    <p>Right Atrium</p> Signup and view all the answers

    What is the main function of the cardiovascular system?

    <p>Responsible for homeostatic distribution of oxygen and nutrients</p> Signup and view all the answers

    What is the composition of the Epicardium in the heart?

    <p>A single layer of squamous mesothelial cells and a thin basal lamina</p> Signup and view all the answers

    In which layer does thickening occur in all large vessels, containing small vessels (Vasa Vasorum) that supply oxygen and nutrients to cells too far from the lumen?

    <p>Tunica Adventitia</p> Signup and view all the answers

    What do Purkinje fibers do in the heart's impulse conducing system?

    <p>Conduct impulses at a higher rate than atrial cardiac muscle fibers</p> Signup and view all the answers

    What are Vasa Vasorum responsible for within blood vessel walls?

    <p>Supplying oxygen and nutrients to cells in close proximity to the lumen</p> Signup and view all the answers

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