Lymphatic System Quiz
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Questions and Answers

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

  • Thymus
  • Lymph nodes
  • Liver (correct)
  • Spleen

    • What is the primary function of the lymphatic system?

  • Transporting oxygen to the cells
  • Producing red blood cells
  • Returning excess interstitial fluid to the cardiovascular system (correct)
  • Filtering waste materials from the blood

    • What is the fluid carried by the lymphatic system called?

  • Plasma
  • Blood
  • Cerebrospinal fluid
  • Lymph (correct)

    • What is the role of lymph nodes in the lymphatic system?

    <p>To trap and process antigens</p> Signup and view all the answers

    What is the main function of the thymus?

    <p>To produce mature T-cells</p> Signup and view all the answers

    What is the function of the spleen in the lymphatic system?

    <p>Both A and B</p> Signup and view all the answers

    What is the characteristic of lymph fluid that differentiates it from plasma?

    <p>A and C</p> Signup and view all the answers

    What is the final destination of lymph before it is emptied into the bloodstream?

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

    Components of the peripheral/secondary compartment

    <p>Both A AND C</p> Signup and view all the answers

    What are the two classifications/compartments of lymphoid organs?

    <p>Primary and secondary</p> Signup and view all the answers

    Which organ acts as a reservoir for blood when the animal is at rest?

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

    What is the function of the tonsils in the lymphatic system?

    <p>To prevent the spread of infection into respiratory and digestive systems</p> Signup and view all the answers

    Where is the spleen located in the body?

    <p>Left side of the abdomen near the stomach</p> Signup and view all the answers

    What is/are the components of the primary/central lymphoid organs

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

    What does GALT refer to?

    <p>A type of lymph tissue found in the lining of the intestinal tract</p> Signup and view all the answers

    The spleen is a ________ shaped organ

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

    Which lymphatic structure is found at the beginning of lymph drainage system?

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

    The spleen is covered with a __________ of __________ connective tissue and _________

    <p>Capsule, fibrous, smooth muscle</p> Signup and view all the answers

    Which lymphatic structure is found close to moist epithelial surfaces?

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

    What do the smooth muscle cells in the spleen do

    <p>Contract and squeeze blood out of spleen and back into circulation</p> Signup and view all the answers

    When storage spaces are filled with blood the spleen gets:

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

    The lymph system is the 2nd largest component of the immune system, True or false

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

    The lymphatic vessels associated with the Malt-mucosa are

    <p>Both A and B</p> Signup and view all the answers

    Why is there more excess tissue fluid?

    <p>More fluid leaves the blood capillaries than reenters them</p> Signup and view all the answers

    Lymph is carried through squamous epithelial cells and deposited back into the blood stream. True or false

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

    What are the two separate parts of animal's immune system

    <p>Both A and B</p> Signup and view all the answers

    30% of the intestinal musoca is GALT. True or False

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

    Term for lymphoid tissue found in the lining of the intestines

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

    What is the location for the production of lymphocytes

    <p>Both B and C</p> Signup and view all the answers

    What is the name of the lymph node palpated at the ventral aspect of jaw

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

    What organ has both lymphatic and hematological functions

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

    Where does lymph in the lymphatic duct drain into

    <p>Subclavian veins</p> Signup and view all the answers

    Name of the lymph node found on the caudal aspect of the stifle

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

    The capillaries have high enough _____ causing plasma to be pushed into the tissues

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

    Type of blood capillary that pushes plasma out of the blood vessels and into the tissues

    <p>Fenestrated capillary</p> Signup and view all the answers

    Where are the submandibular lymph nodes located?

    <p>In the neck</p> Signup and view all the answers

    What type of movement involving fluid moves most of the plasma back into the blood stream

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

    What is the large lymph vessel that deposits the lymph fluid back into the blood stream

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

    When compared with blood plasma lymph has a ______ protein value

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

    Which of the following is associated with GALT

    <p>Peyer's patches</p> Signup and view all the answers

    As lymph passes through the lymph node what cells found in the tissues acts to filter the lymph of microorganisms

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

    A unique feature of tonsils when compared to lymph nodes is that they do not have _________ surrounding the tissue

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

    lymph vessels closely follow the path of _______ as they return to the heart

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

    Capillaries in the tissue join to form larger vessels in order to?

    <p>Propel lymph towards the heart</p> Signup and view all the answers

    Lymph fluid contains varying numbers of cells, primarily thymocytes. True or False

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

    Lymph fluid is a transparent or translucent liquid. True or False

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

    What is excessive interstitial fluid picked up by?

    <p>Small lymph capillaries</p> Signup and view all the answers

    Fluid enters/leaves tissue spaces due to _________ __________ and ___________ __________

    <p>Blood pressure, osmostic pressure</p> Signup and view all the answers

    What joins together to form larger and larger lymph vessels

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

    What propels lymph towards the heart

    <p>One way valves and body movement</p> Signup and view all the answers

    Lymph passes through at least _____ lymph node and picks up ________

    <p>One, lymphocytes</p> Signup and view all the answers

    What do macrophages in lymph node remove?

    <p>Remove microorganisms</p> Signup and view all the answers

    Where is the thoracic duct located

    <p>Just before vena cava enters the atrium</p> Signup and view all the answers

    Which of the following IS a function of lymph

    <p>Removal of excess tissue fluid</p> Signup and view all the answers

    Which of the following IS a function of lymph

    <p>Waste material transport</p> Signup and view all the answers

    Which of the following IS a function of lymph

    <p>Protein transport</p> Signup and view all the answers

    Lymph nodes trap foreign materials in lymph. True or false

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

    Lymph nodes are large, kidney bean shaped filters located along lymphatic vessels. True or False

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

    Which of the following IS a function of lymph nodes

    <p>Drain organs in their associated locations</p> Signup and view all the answers

    What happens to lymph nodes in response to antigenic stimulation

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

    What is the procedure needed for evaluation of abnormalities in the lymph nodes

    <p>Both A and B</p> Signup and view all the answers

    Lymph node that is located just behind each side of your jaw in your neck region

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

    Identify the lymph nodes palpated during examination

    <p>Submandibular, prescapular, axillary, inguinal, popliteal</p> Signup and view all the answers

    When the body needs excess blood cells it:

    <p>Contracts and gets smaller</p> Signup and view all the answers

    What are tonsils classed as

    <p>Peripheral/secondary lymphoid tissue</p> Signup and view all the answers

    Cells leave the thymus and travel to

    <p>Secondary/peripheral lymphoid tissue</p> Signup and view all the answers

    The thymus is important in

    <p>Stimulating cell-mediated immune response</p> Signup and view all the answers

    Most prominent in young animals and is located in the cranial thoracic region

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

    What is the function of the GALT (gut associated lymph tissue)?

    <p>To prevent spread of infection into the respiratory and digestive systems</p> Signup and view all the answers

    What is the function of the spleen when the body needs excess blood cells?

    <p>It contracts and squeezes blood back into circulation</p> Signup and view all the answers

    Study Notes

    Components of the Lymphatic System

    • Lymphatic system includes lymph nodes, spleen, thymus, and tonsils; some structures like the liver are not part of it.
    • Key fluid carried by the lymphatic system is called lymph.
    • Lymph is distinct from blood plasma due to lower protein content.

    Primary Functions

    • Primary function of the lymphatic system: maintaining fluid balance, transporting lipids, and providing immune responses.
    • Lymph nodes filter lymph, trapping foreign materials and microorganisms.
    • Thymus primarily functions in the production and maturation of T-lymphocytes.

    Lymphatic Structures and Their Roles

    • Spleen functions in blood storage, immune response, and filtering blood.
    • Tonsils help trap pathogens entering through the mouth and nose.
    • GALT refers to Gut-Associated Lymphoid Tissue, important for gut immunity.

    Lymph Node Functionality

    • Lymph nodes are large filters along lymphatic vessels, reacting to antigenic stimulation by enlarging.
    • Macrophages in lymph nodes remove pathogens and debris from lymph fluid.
    • Evaluation of lymph nodes for abnormalities typically requires a procedure called lymph node aspirate.

    Blood and Lymph Circulation

    • Lymphatic vessels collect excess interstitial fluid, returning it to the bloodstream.
    • Lymph is propelled through vessels by smooth muscle contractions and skeletal muscle movement aiding its journey to the heart.
    • Final destination of lymph is entering the bloodstream via the thoracic duct.

    Anatomical Locations

    • Spleen location: left side of the abdominal cavity, between stomach and diaphragm.
    • Submandibular lymph nodes are located beneath the jaw.
    • Lymph node behind the stifle is known as the popliteal lymph node.

    Immune System Overview

    • Two separate parts of the immune system: innate and adaptive immunity.
    • GALT comprises about 30% of the intestinal mucosa.

    Lymphatic System in Animals

    • Spleen acts as a blood reservoir in animals at rest.
    • Kidneys and lymph nodes undergo reactive changes in response to infection.

    Miscellaneous

    • Tonsils do not have a capsule surrounding them, unlike lymph nodes.
    • Lymph fluid is typically transparent or translucent and may contain varying numbers of cells, primarily T-cells.
    • Lymphatic capillaries join to form larger vessels, facilitating lymph transportation back to the bloodstream.

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    Description

    Test your knowledge of lymphatic tissue anatomy and function with this quiz! Learn about the structure and function of the lymphatic system, how lymph is removed and transported, and the characteristics of lymph. Identify lymph node structures and common palpation points.

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