The Cardiovascular System 7: The Vascular System 3

10 Questions | Total Attempts: 54

Cardiovascular System Quizzes & Trivia

I created these quizzes to help me study for my A&P exams. This quiz is part 3 of a 3 part quiz dealing with the vascular system. This quiz deals with veins.

Questions and Answers
  • 1. 
    ______ are thin-walled blood vessels that carry blood to the heart under relatively low pressure.
    • A. 


    • B. 


    • C. 


    • D. 


    • E. 


  • 2. 
    ________ are small veins (microscopic in size) that collect blood from __________ and deliver it to larger veins.
  • 3. 
    In adults, all veins except for the _____________ carry deoxygenated blood. Venous walls are similar to arterial walls but their ________ have greater diameters.
  • 4. 
    Just like arteries, veins contain three distinct layers which are the _________, the ______ and the __________.
  • 5. 
    The tunica intima of the veins are composed of ___________.
  • 6. 
    The ___________ of the veins are poorly developed. They are composed of a thin layer of _________ and less __________ and their walls will _________ when empty.
  • 7. 
    The ________ is the outermost and most ________ layer of the veins. It contains much more _____ and _________.
  • 8. 
    Most veins that are larger than ___ millimeters in diameter have one-way ______ positioned in such a way that they can conduct blood against the force of _______.
  • 9. 
    Veins found in the ______ normally contain valves.
  • 10. 
    The valves of the veins are usually composed of 2 _______ formed by ________ of the __________. They are arranged to permit blood flow toward the heart and not backward in the opposite direction. In other words they prevent _________.
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