Chapter 23 Lymphatic System WCU
Anat 260 Assignment (2025) Updated
with Correct Answers.
Lymphatic System play what kind of role? - Answer Central role in the body's defense against
BACTERIA, VIRUSES and other MICROORGANISM
Lymphatic System includes a network of? - Answer Lymphatic vessels that carry LYMPH (a fluid
similar to plasma but with a lower concentration of proteins)
Lymphatic System does what 3 things? - Answer Maintains, distributes lymphocytes, and helps
maintains normal blood volume,
Distributing Lymphocytes does what? - Answer cells that attack invading organisms abnormal
cells, and foreign proteins.
Lymphoid structures can be classified as? - Answer PRIMARY (containing stem cells) or
SECONDARY (containing immature or activated lymphocytes)
Structures: Lymphatic Vessels (Lymphatics) carry? - Answer Lymph from peripheral tissues
tissues to venous system.
Structures: Lymph flow along a network of Lymphatics that originate in the? - Answer
LYMPHATIC CAPILLARIES (terminal lymphatic)
Structures: Endothelial cell of a lymphatic capillary overlap to? - Answer Act as a one-way
valve, preventing fluid from returning to the intercellular spaces.
Structures: Lymphatics contain - Answer vessels collect blood from the lymphatic capillaries:
the SUPERFICIAL LYMPHATICS and the DEEP LYMPHATICS.
Structures: The lymphatic vessels empty into the(2)? - Answer THORACIC DUCT
and RIGHT LYMPHATIC DUCT
, Types: T cells account for how much? - Answer 80% (thymus dependent)
Types: B cells - Answer bone marrow-derived providing humoral immunity
Types: NK cells - Answer natural killer
Structures Lymphocytes are? - Answer "Wandering" cells because they can move from one
area of the body to another by entering and exiting the blood stream freely. *everywhere in the
body
Types: Cytotoxic T cells Attack? PROVIDE WHAT? - Answer Attack FOREIGN cells or body cells
infected by viruses, they provide CELL MEDIATED IMMUNITY.
Types: REGULATORY T CELLS - Answer (HELPER and SUPPRESSOR) regulate, coordinate and
communicate the immune response.
Types: Memory T CELLS - Answer remain "on reserve"
Types: HIV targets what? - Answer T cells.
Types: B cells can differentiate into? - Answer PLAMSA CELLS
Types: Plasma Cells PRODUCE? - Answer produce and secrete antibodies that react with
specific chemical targets, or ANTIGENS.
Types: ANTIBODIES in the body fluids are called? - Answer IMMUNOGLOBULINS (B cells)
Types: B Cells are responsible for? - Answer ANTIBODY-MEDIATED IMMUNITY.
Types: MEMORY B CELLS are activated if? - Answer The antigen appears agains at a later date.
Types: ANTIGEN must bind to - Answer ANTIGEN RECEPTOR to be recognized.
Anat 260 Assignment (2025) Updated
with Correct Answers.
Lymphatic System play what kind of role? - Answer Central role in the body's defense against
BACTERIA, VIRUSES and other MICROORGANISM
Lymphatic System includes a network of? - Answer Lymphatic vessels that carry LYMPH (a fluid
similar to plasma but with a lower concentration of proteins)
Lymphatic System does what 3 things? - Answer Maintains, distributes lymphocytes, and helps
maintains normal blood volume,
Distributing Lymphocytes does what? - Answer cells that attack invading organisms abnormal
cells, and foreign proteins.
Lymphoid structures can be classified as? - Answer PRIMARY (containing stem cells) or
SECONDARY (containing immature or activated lymphocytes)
Structures: Lymphatic Vessels (Lymphatics) carry? - Answer Lymph from peripheral tissues
tissues to venous system.
Structures: Lymph flow along a network of Lymphatics that originate in the? - Answer
LYMPHATIC CAPILLARIES (terminal lymphatic)
Structures: Endothelial cell of a lymphatic capillary overlap to? - Answer Act as a one-way
valve, preventing fluid from returning to the intercellular spaces.
Structures: Lymphatics contain - Answer vessels collect blood from the lymphatic capillaries:
the SUPERFICIAL LYMPHATICS and the DEEP LYMPHATICS.
Structures: The lymphatic vessels empty into the(2)? - Answer THORACIC DUCT
and RIGHT LYMPHATIC DUCT
, Types: T cells account for how much? - Answer 80% (thymus dependent)
Types: B cells - Answer bone marrow-derived providing humoral immunity
Types: NK cells - Answer natural killer
Structures Lymphocytes are? - Answer "Wandering" cells because they can move from one
area of the body to another by entering and exiting the blood stream freely. *everywhere in the
body
Types: Cytotoxic T cells Attack? PROVIDE WHAT? - Answer Attack FOREIGN cells or body cells
infected by viruses, they provide CELL MEDIATED IMMUNITY.
Types: REGULATORY T CELLS - Answer (HELPER and SUPPRESSOR) regulate, coordinate and
communicate the immune response.
Types: Memory T CELLS - Answer remain "on reserve"
Types: HIV targets what? - Answer T cells.
Types: B cells can differentiate into? - Answer PLAMSA CELLS
Types: Plasma Cells PRODUCE? - Answer produce and secrete antibodies that react with
specific chemical targets, or ANTIGENS.
Types: ANTIBODIES in the body fluids are called? - Answer IMMUNOGLOBULINS (B cells)
Types: B Cells are responsible for? - Answer ANTIBODY-MEDIATED IMMUNITY.
Types: MEMORY B CELLS are activated if? - Answer The antigen appears agains at a later date.
Types: ANTIGEN must bind to - Answer ANTIGEN RECEPTOR to be recognized.
