The Lymphatic System and Immunity
13 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary function of the lymphatic system?

  • Transporting oxygen from the lungs to the blood
  • Filtering waste products from the blood
  • Draining excess fluid and protein from the interstitial tissue back into the blood (correct)
  • Producing and circulating red blood cells

    • What is the relationship between plasma, interstitial fluid, and lymph?

  • Plasma becomes interstitial fluid once it leaves the lymphatic vessels
  • Plasma and interstitial fluid are the same
  • Lymph is formed when interstitial fluid flows through the lymphatic vessels (correct)
  • Interstitial fluid contains more protein than plasma

    • Where do lymphatic vessels originate?

  • In the central nervous system and bone marrow
  • In the gastrointestinal tract
  • Only in avascular tissue
  • In spaces between the cells called lymph capillaries (correct)

    • What is the composition of lymph in comparison to plasma?

    <p>Lymph contains less protein than plasma</p> Signup and view all the answers

    What is the role of lymphocytes in the body?

    <p>Protecting the body through immune responses</p> Signup and view all the answers

    Why do larger protein molecules not easily filter through the walls of capillaries?

    <p>The cells that form the capillary walls restrict their passage</p> Signup and view all the answers

    Which of the following statements about lymphatics is true?

    <p>Lymphatics have thicker walls and fewer valves than veins</p> Signup and view all the answers

    What is the function of the hilus within a lymph node?

    <p>It is where blood vessels and efferent lymphatic vessels leave the node</p> Signup and view all the answers

    Where are lymphocytes found in the body?

    <p>Scattered in the linings of the gastrointestinal, respiratory, urinary, and reproductive tracts</p> Signup and view all the answers

    What is the role of the medulla in a lymph node?

    <p>It contains macrophages and plasma cells</p> Signup and view all the answers

    Which statement about tonsils is accurate?

    <p>Tonsils are arranged in a ring at the junction of the oral cavity and pharynx</p> Signup and view all the answers

    What is a significant function of the spleen?

    <p>Filtration of lymph</p> Signup and view all the answers

    How does lymph flow through the lymph nodes?

    <p>Efferent lymphatic vessels $ ightarrow$ Sinuses $ ightarrow$ Afferent lymphatic vessels</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser