Arteries 101

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Questions and Answers

Which type of arteries have more smooth muscle and less elastic lamellae than the elastic arteries?

  • Muscular arteries (correct)
  • Capillaries
  • Elastic arteries
  • Veins

What is a more prominent feature of the tunica intima in muscular arteriesa?

  • Smooth muscle layer
  • External elastic membrane
  • Internal elastic membrane (correct)
  • Endothelial lining

How do muscular arteries distribute blood to different parts of the body?

  • By contracting and relaxing their walls (correct)
  • By dilating and constricting their walls
  • By releasing hormones
  • By relying on gravity

Which of the following statements about arterioles is correct?

<p>Arterioles have fewer layers of smooth muscle in their tunica media compared to small arteries. (D)</p> Signup and view all the answers

What is the main function of arterioles?

<p>To protect the capillaries and venules by reducing blood pressure at the periphery. (A)</p> Signup and view all the answers

Which blood vessels have more smooth muscle and less elastic lamellae compared to elastic arteries?

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

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