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QUIZ STUDY GUIDE FOR THE LYMPHATIC SYSTEM COMPLETELY ANSWERD, Exams of Anatomy

Tulane UniversityAnatomy

THE LYMPHATIC SYSTEM What are the three main functions of the Lymphatic System? - correct answer 1) Drain excess interstitial fluid from tissue spaces 2) Transport dietary lipids 3) Protect against invasion by transporting immune cells and cleaning body fluid What is lymph? - correct answer Lymph is interstitial fluid that has passed into lymphatic vessels What does Lymph do? - correct answer -Lymph carries oxygen and other nutrients to the body tissue cells -Carries away waste products (CO2) that flow out of the cells -Contains WBC to help fight infections.

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THE LYMPHATIC SYSTEM
What are the three main functions of the Lymphatic System? - correct answer 1)
Drain excess interstitial fluid from tissue spaces
2) Transport dietary lipids
3) Protect against invasion by transporting immune cells and cleaning body fluid
What is lymph? - correct answer Lymph is interstitial fluid that has passed into
lymphatic vessels
What does Lymph do? - correct answer -Lymph carries oxygen and other
nutrients to the body tissue cells
-Carries away waste products (CO2) that flow out of the cells
-Contains WBC to help fight infections.
What is Chyle? - correct answer lipid rich lymph from intestinal region; intestinal
trunk contains this fluid
How is the Lymphatic system linked to the Circulatory system? - correct answer -
The lymphatic system is composed of lymphatic vessels, tubes that assist the
cardiovascular system in the removal of lymph from the tissue spaces of the
body.
- The vessels then return fluid to the blood within the circulatory system.
-The circulatory system is composed of arteries, veins, and capillaries. This
system allows the lymph to travel to lymph nodes where it is filtered of bacteria
and other foreign particles.
What is in Lymph? - correct answer -Waste ( CO2, NH3, metabolite products)
- Water
-Plasma Proteins
-Old, damaged, dead/dying cells
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Download QUIZ STUDY GUIDE FOR THE LYMPHATIC SYSTEM COMPLETELY ANSWERD and more Exams Anatomy in PDF only on Docsity!

THE LYMPHATIC SYSTEM

What are the three main functions of the Lymphatic System? - correct answer 1) Drain excess interstitial fluid from tissue spaces

  1. Transport dietary lipids
  2. Protect against invasion by transporting immune cells and cleaning body fluid What is lymph? - correct answer Lymph is interstitial fluid that has passed into lymphatic vessels What does Lymph do? - correct answer -Lymph carries oxygen and other nutrients to the body tissue cells -Carries away waste products (CO2) that flow out of the cells -Contains WBC to help fight infections. What is Chyle? - correct answer lipid rich lymph from intestinal region; intestinal trunk contains this fluid How is the Lymphatic system linked to the Circulatory system? - correct answer - The lymphatic system is composed of lymphatic vessels, tubes that assist the cardiovascular system in the removal of lymph from the tissue spaces of the body.
  • The vessels then return fluid to the blood within the circulatory system. -The circulatory system is composed of arteries, veins, and capillaries. This system allows the lymph to travel to lymph nodes where it is filtered of bacteria and other foreign particles. What is in Lymph? - correct answer -Waste ( CO2, NH3, metabolite products)
  • Water -Plasma Proteins -Old, damaged, dead/dying cells

-Invaders( both living and foreign objects) What the pumps cause the lymph to flow? - correct answer Skeletal Muscle pump- Compresses the lymphatic vessels and forces lymph toward the junction of the internal jugular and subclavian veins. Respiratory pump- Pressure changes that occur during inhalation and exhalation What are the Primary Lymphatic organs? What happens there? - correct answer Red bone marrow and Thymus

  • Where stem cells divide and develop into B cells and T cells that are immunocompetent, or capable or mounting an immune response What two systems make up the circulatory system? - correct answer Lymphatic and Cardiovascular What are the secondary Lymphatic organs? What happens there? - correct answer Lymph capillaries, ducts, nodes, nodules, spleen and veins. -Used to move lymph -Where most immune responses occur What happens in the Lymph Nodes? - correct answer Lymph is filtered and foreign substances are removed and destroyed by macrophages( phagocytosis) and lymphocytes (immune response) How many directions does lymph flow through a lymph node, and where does it enter? - correct answer One-entering through the afferent lymphatic vessels Where does all of the lymph end up? - correct answer In the blood

Parenchyma- Functaional portion Lymph nodules/follicles are mucous membranes of what four tracts?(GURR) - correct answer Gastrointestinal, Urinary, Reproductive and Respiratory tracts What does MALT stand for? What is it associated with? Why is it called that? - correct answer Mucosa Associated Lymphatic Tissue. Lymph nodules/follicles Found in the mucus membranes of the GI, Urinary, Reproductive, and Respiratory tracts. What are lymph nodules/follicles? - correct answer Masses of lymphatic tissue that are not surrounded by a connective tissue capsule found in the GURR tracts What are examples of lymph nodules/follicles? - correct answer Tonsils, Appendix and Peyer's Patches of small intestines Describe the Stroma of a lymph node - correct answer Surrounds the functional portion (parenchyma) of the lymph node Has outer capsule -Holds together when inflamed, becomes enlarged when fighting infection Composed of -Reticular Fibers -Fibroblasts Describe the Parenchyma of the Lymph Node What are the three layers called? - correct answer Crawling with immune cells -Mostly B and T cells Outer cortex

Inner Cortex Medulla Describe the three layers of the Parenchyma of the Lymph Node - correct answer Outer Cortex- Clusters of B cells becoming plasma or memory cells called follicles Inner cortex- T cells & Dendritic cells Medulla- Plasma cells and Macrophages (phagocytosis) What is the Thymus? - correct answer A bi-lobed organ covered by a connective tissue capsule. When is your Thymus the largest? - correct answer During the neonatal and pre- adolescent periods, before puberty What happens to your Thymus as you get older? - correct answer It shrinks with age because the adipose and areolar connective tissues begin to replace thymic tissue What happens in the cortex of the Thymus? - correct answer -Immature T cells come into the cortex from the red bone marrow -Dendritic cells & epithelial cells screen T cells What happens during self recognition of cells in the cortex of the Thymus? - correct answer AKA positive selection of T cells screening Answer yes: cells proceed to medulla Answer no: Cells are killed and eaten by macrophages What happens in the Medulla of the Thymus? - correct answer Epithelial cells continue screening T-cells Answer yes: Allowed to live but lose ability to provoke an immune response

What are central arteries and where are they located? - correct answer They are in white pulp and they are branches of splenic artery What is red pulp - correct answer Blood filled venous sinuses What do the splenic chords found in Red pulp consist of? - correct answer RBC macrophages Lymphocytes Plasma cells Granulocytes What are the three functions the Spleen preforms related to blood cells? - correct answer 1) Removal of aged and defective formed elements by macrophages 2)Platelet storage- up to 1/3 body's platelets are stored here

  1. Blood cell production- during fetal life