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Microcirculation and Arterioles Quiz
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Microcirculation and Arterioles Quiz

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@IntriguingVulture

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Questions and Answers

What is the function of precapillary sphincters?

  • Act as precapillary valves
  • Control blood flow into the metarterioles
  • Facilitate exchange of gases in the capillary bed
  • Regulate blood flow into the true capillaries (correct)

    • What is the structure that lacks smooth muscle cells and merges with the postcapillary venule?

  • Arteriole
  • Thoroughfare channel (correct)
  • Capillary bed
  • Metarteriole

    • What type of vessels lack smooth muscle cells but may have pericytes present?

  • Arterioles
  • True capillaries (correct)
  • Venules
  • Metarterioles

    • What are the smaller branches formed by arterioles supplying a capillary bed?

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

    What is the network of anastomosing capillaries between an arteriole and a venule called?

    <p>Capillary network</p> Signup and view all the answers

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