Lymph Nodes: Structure and Function BMS LAB QUIZ
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Questions and Answers

What is the main function of the lymphatic system?

  • Producing red blood cells
  • Carrying out gas exchange in the lungs
  • Reabsorbing excess interstitial fluid (correct)
  • Transporting oxygen to tissues
  • Where are lymphatic capillaries NOT present?

  • Brain (correct)
  • Lungs
  • Spleen
  • Small bowel
  • What gives lymph its milky color in lacteals?

  • Lipids (correct)
  • Carbohydrates
  • Proteins
  • Minerals
  • Which lymphatic organ is responsible for lymphocyte development?

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

    What is a characteristic feature of lymphatic vessels compared to veins?

    <p>Higher permeability</p> Signup and view all the answers

    Where are lymphatic capillaries specifically found?

    <p>In the interstitial space of vascular structures</p> Signup and view all the answers

    Which structure forms from the confluence of many efferent lymph vessels?

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

    What is the largest lymphatic organ in the body?

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

    Which type of lymphatic tissue mainly consists of lymphocytes around arteries?

    <p>White pulp</p> Signup and view all the answers

    Where are the sentinel lymph nodes typically located?

    <p>Close to an organ's drainage point</p> Signup and view all the answers

    What is the typical length range of lymph nodes?

    <p>1 - 25 millimeters</p> Signup and view all the answers

    Which vessels enter at the periphery of lymph nodes?

    <p>Afferent vessels</p> Signup and view all the answers

    How are lymph nodes arranged in the body?

    <p>Along blood vessels or at the flexural side of joints</p> Signup and view all the answers

    Where are efferent lymph vessels found in lymph nodes?

    <p>At the hilus</p> Signup and view all the answers

    Which lymphatic organ can both vary considerably in size and weight?

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

    Where does the right lymphatic duct end?

    <p>Right venous angle</p> Signup and view all the answers

    Which lymphatic duct receives lymph from the lower limbs?

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

    Which lymphatic organ is considered a primary organ?

    <p>Thymus gland</p> Signup and view all the answers

    What is the function of lymphatic cells in the body?

    <p>Eliciting an immune response</p> Signup and view all the answers

    Which lymphatic duct drains lymph from the left side of the thorax?

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

    Where is the cisterna chyli located?

    <p>At the root of the neck</p> Signup and view all the answers

    Which lymphatic cells are also known as macrophages?

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

    What is the function of the spleen described in the text?

    <p>Controls the level of blood cells</p> Signup and view all the answers

    Where is the thymus located in the body based on the text?

    <p>Behind the sternum</p> Signup and view all the answers

    What is the role of Thymic stromal lymphopoietin (TSLP) as mentioned in the text?

    <p>Activates dendritic cells to promote T helper (Th) 2 immune responses</p> Signup and view all the answers

    What are lymphatic nodules responsible for as per the text?

    <p>Filter and attack antigens</p> Signup and view all the answers

    Which of the following structures is part of mucosa-associated lymphatic tissue (MALT) according to the text?

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

    What condition is characterized by inflammation of the lymph vessels, according to the text?

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

    What is the common cause of lymphangitis according to the text?

    <p>Bacteria called streptococcus pyogenes</p> Signup and view all the answers

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