ATI RN
Lymphatic System Practice Questions Questions
Question 1 of 5
Which organ is the largest lymphoid organ in the body?
Correct Answer: B
Rationale: The spleen is the largest lymphoid organ; the thymus is smaller, and tonsils and appendix are minor lymphoid tissues.
Question 2 of 5
What is the term for inflammation of lymphatic vessels?
Correct Answer: B
Rationale: Lymphangitis is vessel inflammation; lymphadenitis is nodes, lymphoma is cancer, lymphedema is swelling.
Question 3 of 5
Which lymphoid organ is most involved in blood filtration?
Correct Answer: B
Rationale: The spleen filters blood; thymus matures T cells, nodes filter lymph, tonsils trap pathogens.
Question 4 of 5
Which lymphatic vessel drains the upper right chest?
Correct Answer: B
Rationale: The right lymphatic duct drains the upper right chest; thoracic duct drains left and lower.
Question 5 of 5
What is the primary function of the immune system?
Correct Answer: B
Rationale: The immune system defends against pathogens; nutrient transport is circulatory, hormones are endocrine, temperature is hypothalamus.