Veins

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Questions and Answers

Which vessels function as blood reservoirs?

  • Veins (correct)
  • Venules
  • Capillaries
  • Arteries

What prevents backflow of blood in veins?

  • Elastic fibers
  • Muscle cells
  • Valves (correct)
  • Connective tissue fibers

Which vessels have a larger lumen?

  • Capillaries
  • Arteries
  • Venules
  • Veins (correct)

What are veins called when they join multiple capillaries exiting from a capillary bed?

<p>Venules (C)</p> Signup and view all the answers

Which vessels are more distensible, veins or arteries?

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

What is the primary site of emigration for white blood cells?

<p>Venules (B)</p> Signup and view all the answers

Which cells are involved in the control of blood as it flows through the microvasculature?

<p>Pericytes (C)</p> Signup and view all the answers

Which vessels are considered capacitance vessels?

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

What is the composition of venules' walls?

<p>All of the above (D)</p> Signup and view all the answers

Which vessels contain approximately 64% of the blood volume at any given time?

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

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