Multiple Choice Questions

Pulsations of nearby arteries and Contractions of smooth muscle in the walls of the lymphatics.
  • What protects against antigens?
  • What is lymph propelled by
  • Functions of the Thymus
  • Diffuse lymphatic tissue
Simplest lymphoid organs
  • Tonsils
  • Thoracic Duct
  • Spleen
  • Thymus
Similar to veins, except Have thinner walls, with more internal valves.
  • Lymphatic collecting vessels
  • Lymphatic trunks
  • Right lymphatic duct
  • Lymphoid tissue
1) A network of three parts2) Lymph3) Lymph nodes
  • Lymphatic trunks
  • Lymphatic system consists of three parts.
  • Lymphatic follicles
  • One way system,lymph flows toward the heart.
Diffuse Lymphatic tissue and Lymphatic follicles
  • Two main types of Lymphocytes
  • Two main types of Lymphatic tissue.
  • Peyers patches and the appendix
  • What protects against antigens?
Cortex contains follicles with germinal centers, heavy with dividing B cellsDeep cortex houses T cells in transitT cells circulate continuously among the blood,lymph nodes, and lymphatic stream.
  • Functions of the thymus
  • Structure of a lymph node
  • Functions of the spleen
  • Diffuse lymphatic tissue
Peyer's patches and Peyer's patches and the appendix
  • Functions of the spleen
  • Lymphatic collecting vessels
  • Aggregates of lymphoid follicles
  • Peyers patches and the appendix
is delivered into one of two large ducts
  • Thymus
  • Spleen
  • Thoracic Duct
  • Lymph
Cortex and medulla
  • what are the types of lymphatic vessels.
  • What are the two Histologically distinct regions
  • What protects against antigens?
  • Absent from bones, teeth bone marrow and the CNS
Lymphoid organs
  • What are the two Histologically distinct regions
  • Absent from bones, teeth bone marrow and the CNS
  • Except for the spleen and tonsils ____________ _________ are poorly developed at birth
  • what are the types of lymphatic vessels.
Site of lymphocyte proliferation and immune surveillance and response.Cleanses the blood of aged cells and platelets and debris.
  • aggregates of lymphoid follicles
  • functions of the thymus
  • structure of a lymph node
  • functions of the spleen
Lymphatic capillariesLymphatic collecting vesselsLymphatic trunks and ducts.
  • Similar to blood capillaries, exceptVery permeableEndothelial cells overlap to form one-way minivalves.
  • What are the two Histologically distinct regions
  • what are the types of lymphatic vessels.
  • Absent from bones, teeth bone marrow and the CNS
Provide the environment in which T lymphocytes become immunocompetent
  • Dendritic Cells
  • Thymocytes
  • Macrophages
  • Right Lymphatic Duct
The main warriors of the immune system
  • Reticular Cells
  • Macrophages
  • Dendritic Cells
  • Lymphocytes
Lymphocytes are activated and mount an attack against antigens.
  • Immune system
  • Thymus
  • Spleen
  • Lymphocytes
Lymphatic vessels.
  • Immune system
  • Lymphatic system consists of three parts.
  • One way system,lymph flows toward the heart.
  • what are the types of lymphatic vessels.
nodules are solid, spherical bodies of tightly packed reticular elements and cells.
  • Tonsils
  • Thymus
  • Lymphatic follicles
  • Spleen
composed of dendritic and B cells
  • Lymphocytes
  • Red pulp
  • White pulp
  • Germinal center
Formed by the union of the largest collection ducts.
  • Thoracic duct
  • Lymphatic trunks
  • Lymphatic collecting vessels
  • Spleen
Destroys bacteria preventing them from breaching the intestinal wall Generate "memory" lymphocytes
  • Functions of the Lymphatic system.
  • Peyers patches and the appendix
  • Aggregates of lymphoid follicles
  • What is lymph propelled by
T cells and b cells protect against antigens.
  • What are the two Histologically distinct regions
  • What protects against antigens?
  • Two main types of Lymphatic tissue.
  • what are the types of lymphatic vessels.
Drains the right upper arm and the right side of the head and thorax.
  • Thymus
  • Spleen
  • Right Lymphatic duct
  • Thoracic duct
lymphatic capillaries
  • Absent from bones, teeth bone marrow and the CNS
  • what are the types of lymphatic vessels.
  • Similar to blood capillaries, exceptVery permeableEndothelial cells overlap to form one-way minivalves.
  • Except for the spleen and tonsils ____________ _________ are poorly developed at birth
white and red pulp
  • Functions of the Lymphatic system.
  • Two main types of Lymphocytes
  • Absent from bones, teeth bone marrow and the CNS
  • Structure of the spleen two distinct areas
produce stroma that supports other cells in lymphoid organs.
  • Dendritic cells
  • Reticular cells
  • Lymphocytes
  • Macrophages
Increases in size and is most active during childhood. Stops growing durning adolescence and then gradually atrophies.
  • Thoracic Duct
  • Thymus
  • Spleen
  • Tonsils
It functions strictly in T lymphocyte maturation.It does not directly fight antigens.
  • Structure of a Lymph Node
  • Functions of the Spleen
  • Lymphatic Follicles
  • Functions of the Thymus
Phagocytize foreign substances and help activate T-cells
  • Macrophages
  • Lymphocytes
  • Reticular Cells
  • Dendritic Cells
in venous sinuses and splenic cords Rich in macrophages for disposal of worn-out RBCs and bloodborne pathogens
  • Germinal Center
  • Red Pulp
  • White Pulp
  • Thymus
Largest lymphoid organs
  • Tonsils
  • Thymus
  • Thoracic Duct
  • Spleen
Lacteals
  • Similar to blood capillaries, exceptVery permeableEndothelial cells overlap to form one-way minivalves.
  • Structure of the spleen two distinct areas
  • Differs from other lymphoid organs in important ways.
  • Specialized lymph capillaries present in intestinal mucosa.
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Multiple Choice Questions
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