Other questions in this quiz

2. What is the middle layer of a blood vessel called?

  • endothelium
  • tunica media
  • lumen
  • tunica externa

3. The innermost layer of a blood vessel is called the...

  • tunica externa
  • lumen
  • endothelium
  • tunica media

4. What does the tunica media contain?

  • Elastic fibres and valves
  • Elastic fibres and smooth muscle
  • Smooth muscle and collagen fibres
  • Collagen fibres and elastic fibres
  • Collagen fibres and valves

5. What do the elastic fibres in arteries allow?

  • Stretching- to accomadate changes in blood flow and pressure
  • Structure
  • Diffusion
  • Elastic fibres reduce friction

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