Lymphatic System and Dietary Lipid Transport Quiz
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Questions and Answers

True or False: Lymphatic capillaries are present in avascular structures such as the brain, spinal cord, splenic pulp, and bone marrow.

  • False (correct)
  • True
  • What distinguishes the valve distribution in lymphatic vessels compared to veins?

  • They lack valves entirely
  • They have more numerous valves (correct)
  • They have fewer valves
  • They have larger valves
  • How are lymph trunks formed?

  • By the dilation of lymphatic capillaries
  • By the confluence of many efferent lymph vessels
  • By the fusion of blood vessels
  • By the confluence of many afferent lymph vessels (correct)
  • Before it re-enters your bloodstream, lymph draining from your legs enters the ______.

    <p>Thoracic duct</p> Signup and view all the answers

    At what vertebral level does the thoracic duct typically swing to the left as it ascends through the thoracic cavity?

    <p>T7</p> Signup and view all the answers

    What is the primary responsibility of the lymphatic system in maintaining the body's fluid balance?

    <p>Reabsorbing excess interstitial fluid and directing it back into the venous circulation.</p> Signup and view all the answers

    Which specialized structures are responsible for the transport of dietary lipids in the lymphatic system?

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

    Which of the following is NOT a function of the lymphatic system?

    <p>Returns fluid to the arterial circulation</p> Signup and view all the answers

    Where is the thymus gland located?

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

    To which part of the body does the lymphatic system return excess fluid and protein?

    <p>Blood circulation</p> Signup and view all the answers

    What is the structural composition of lymphatic capillaries?

    <p>Single layer of overlapping endothelial cells</p> Signup and view all the answers

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