WGU - D313 - ANATOMY AND PHYSIOLOGY 2
LYMPHATIC SYSTEM PRACTICE TEST WITH
UPDATED QUESTIONS AND ANSWERS 2026
1. What does the red pulp of the splenic nodule consist of?: reticular fibers
2. What is a primary function of a lymph node?: filter bacteria out of the blood
3. What is an example of a primary lymphoid organ?: thymus
4. Which vessel do the right side of the face, neck, right upper extremity, and
right thorax drain into?: right subclavian vein
5. Through which structure does lymphatic fluid enter the lymph node?: through
the atterent lymphatic vessel
6. Which circulatory pathway leads to bacteria being removed from the body?-
: lymphatic
7. What is the first line of defense when pathogens breach the defense barriers
of the body?: phagocyte cells
8. Which cell performs the major function of bringing antigens to regional
draining lymph nodes during antigen presentation?: dendritic cells
9. Which cells are involved in the second stage of inflammation?: macrophages
10. What is another term for epitope?: antigenic determinant
11. Which type of adaptive immune cell regulates other types of immune cells?-
: helper T cells
12. Which immune system component is found in breast milk?: antibodies
13. Where do T cells mature?: thymus
14. At which phase of human development is the thymus gland at its largest?: -
young child
15. Which statement is correct about the lymph node?: lymph nodes contains macrophages
and lymphocytes
16. What are 2 functions of the red pulp of the spleen?: acts as an important reserve for
platelets and red blood cells
removes worn-out red and white blood cells and platelets
17. Which lymphatic tissue is found in the small intestine?: GALT
, 18. Where is the most active marrow found?: heads of the femur and humerus
19. Which structure is a secondary lymphatic organ?: lymph nodes
20. In which part of the human body are lymph nodes commonly found?: groin
21. What is the function of the tonsils?: protection from inhaled and ingested pathogens
22. Which structure holds the capillaries in place?: anchor filaments
LYMPHATIC SYSTEM PRACTICE TEST WITH
UPDATED QUESTIONS AND ANSWERS 2026
1. What does the red pulp of the splenic nodule consist of?: reticular fibers
2. What is a primary function of a lymph node?: filter bacteria out of the blood
3. What is an example of a primary lymphoid organ?: thymus
4. Which vessel do the right side of the face, neck, right upper extremity, and
right thorax drain into?: right subclavian vein
5. Through which structure does lymphatic fluid enter the lymph node?: through
the atterent lymphatic vessel
6. Which circulatory pathway leads to bacteria being removed from the body?-
: lymphatic
7. What is the first line of defense when pathogens breach the defense barriers
of the body?: phagocyte cells
8. Which cell performs the major function of bringing antigens to regional
draining lymph nodes during antigen presentation?: dendritic cells
9. Which cells are involved in the second stage of inflammation?: macrophages
10. What is another term for epitope?: antigenic determinant
11. Which type of adaptive immune cell regulates other types of immune cells?-
: helper T cells
12. Which immune system component is found in breast milk?: antibodies
13. Where do T cells mature?: thymus
14. At which phase of human development is the thymus gland at its largest?: -
young child
15. Which statement is correct about the lymph node?: lymph nodes contains macrophages
and lymphocytes
16. What are 2 functions of the red pulp of the spleen?: acts as an important reserve for
platelets and red blood cells
removes worn-out red and white blood cells and platelets
17. Which lymphatic tissue is found in the small intestine?: GALT
, 18. Where is the most active marrow found?: heads of the femur and humerus
19. Which structure is a secondary lymphatic organ?: lymph nodes
20. In which part of the human body are lymph nodes commonly found?: groin
21. What is the function of the tonsils?: protection from inhaled and ingested pathogens
22. Which structure holds the capillaries in place?: anchor filaments
