Arterioles
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Questions and Answers

What is the function of the internal elastic lamina in arterioles?

  • To produce and secrete hormones
  • To regulate blood flow through the arteriole
  • To prevent the formation of blood clots
  • To provide structural support to the vessel wall (correct)

    • Which layer of the arteriole consists mostly of loosely arranged collagen and elastic fibers?

  • Endothelium
  • Media
  • Adventitia (correct)
  • Intima

    • What is the appearance of the internal elastic lamina in sections of an arteriole?

  • Absent in all arterioles
  • Rough and textured
  • Smooth and even
  • Corrugated, depending on the state of vessel constriction at fixation (correct)

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