Lymphatic System and Capillary Filtration
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Questions and Answers

What is the main function of the lymphatic system?

  • To produce red blood cells
  • To regulate body temperature
  • To synthesize proteins
  • To drain body fluids and return them to the bloodstream (correct)
  • What causes the accumulation of fluid in the interstitial space?

  • Blood pressure (correct)
  • Immune system response
  • Nervous system activity
  • Muscle contractions
  • What term is used to describe interstitial fluid once it has entered the lymphatic system?

  • Hemoglobin
  • Lymph (correct)
  • Glucose
  • Plasma
  • How much of the 20 liters of plasma released into the interstitial space is reabsorbed directly by the blood vessels?

    <p>17 liters</p> Signup and view all the answers

    What may result from the inappropriate accumulation of protein-rich interstitial fluid in the tissue spaces?

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

    Besides draining excess fluid, what other functions do lymphatic vessels serve?

    <p>Transporting immune system cells</p> Signup and view all the answers

    What is the term used to describe the accumulation of protein-rich interstitial fluid in the tissue spaces?

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

    How much interstitial fluid is reabsorbed directly by the blood vessels from the 20 liters of plasma released into the interstitial space each day?

    <p>17 liters</p> Signup and view all the answers

    What is the main function of lymphatic vessels besides draining excess fluid?

    <p>Transporting immune cells</p> Signup and view all the answers

    What happens to the remaining three liters of interstitial fluid that is not reabsorbed directly by blood vessels?

    <p>It is drained by the lymphatic system.</p> Signup and view all the answers

    Which system uses lymphatic vessels as convenient avenues for transporting dietary lipids and fat-soluble vitamins absorbed in the gut?

    <p>Digestive system</p> Signup and view all the answers

    What term is used to describe interstitial fluid once it has entered the lymphatic system?

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

    What is the main function of the lymphatic system?

    <p>To carry excess fluids to the bloodstream and filter pathogens from the blood</p> Signup and view all the answers

    What distinguishes lymphatic vessels from cardiovascular vessels in terms of pumping?

    <p>Valves keep lymph moving toward the heart</p> Signup and view all the answers

    Where are lymph nodes commonly found in humans?

    <p>Near the groin, armpits, neck, chest, and abdomen</p> Signup and view all the answers

    What role do lymph nodes play in the immune system?

    <p>They serve as staging areas for immune responses</p> Signup and view all the answers

    How is lymph forced through lymphatic vessels in humans?

    <p>Through muscle contractions and body movements</p> Signup and view all the answers

    What is the function of one-way valves in lymphatic vessels?

    <p>To keep lymph moving toward the heart</p> Signup and view all the answers

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