The Cardiovascular System 7: The Vascular System 1

16 Questions | Attempts: 153

Cardiovascular System Quizzes & Trivia

I created these quizzes to help me study for my A&P exams. This quiz is the first of three dealing with the vascular system and covers arteries.

Questions and Answers
  • 1. 
    _______ are thick-walled blood vessels that carry blood away from the heart to the body tissues under relatively high blood pressure
    • A. 


    • B. 


    • C. 


    • D. 


    • E. 


  • 2. 
    All arteries in the adult except for the ____________ carry oxygenated blood.
  • 3. 
    Arteries consist of three distinc layers of tissues. These are the _________, the _________ and the __________.
  • 4. 
    Which is the only tunic that is present in all types of blood vessels?
    • A. 

      Tunica externa

    • B. 

      Tunica media

    • C. 

      Tunica interna

    • D. 

      Elastic lamina

    • E. 

      No tunic is present in all types of blood vessels

  • 5. 
    The ________ is composed of simple squamous epithelium called __________ that rests on a basement membrane that contains both ____ and ______ fibers. It is an extension of the ________ lining of the heart. It's extreme smoothness prevents abnormal _______ and the ______ cells also secrete biochemicals that inhibit platelet _________.
  • 6. 
    The ____________ separates the tunica intima from the tunica media and is only found in _______. It is composed of ________.
  • 7. 
    ______ are gaps that allow substances to diffuse to nourish the underlying cells. This gives the internal elastic lamina its ________ appearance.
  • 8. 
    The ________ is the lickest layer in large arteries and contains several lays of _______ fibers. It consists of _____ muscle fibers and a thick layer of __________.
  • 9. 
    The ________ is the outer wall of the artery and relatively _____ in these vessels. It consists mainly of _____ and ______ fibers. ________ attach and anchor the vessel to surrounding tissue.
  • 10. 
    The tunica externa contains minute vessels that give rise to _____ and provide a ________ to the more external cells of the arterial wall. These vessels are known as ________ which means vessels of vessels.
  • 11. 
    The ________ of arteries permits passive changes in the vessel diameter in response to changes in __________. This enables the arteries to withstand the force of the _____ and also stretch to accommodate the sudden ______ in blood volume that accompanies each _________.
  • 12. 
    ________ gives arteries the ability to change in diameter actively under the control of the _______ division of the __________. Specifically, the smooth muscle of the ______ is innervated by the ____________.
  • 13. 
    When stimulated, arterial smooth muscles contract and this ______ the diameter of the blood vessel. This is referred to as ____________.
  • 14. 
    When sympathetic input is inhibited, the smooth muscle fibers relax and the diameter ______. This is referred to as _____________.
  • 15. 
    Small arterial branches that deliver blood to a capillary network are called ___________. These vessels are ________ in size and their structures resemble that of the large arteries, but as they approach the capillaries their walls become ______ and _______.
  • 16. 
    The smaller arterioles that lead to the capillaries consist of their ______ surrounded by only a single layer of __________.
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