ATI RN
Lymphatic System Review Questions Questions
Question 1 of 5
Which lymphoid organ is critical for T cell education?
Correct Answer: B
Rationale: The thymus educates T cells; spleen filters, nodes activate, tonsils trap pathogens.
Question 2 of 5
Which structure is a dilated sac at the thoracic duct's origin?
Correct Answer: B
Rationale: Cisterna chyli is the dilated sac; right duct is separate, trunks feed it, vein is endpoint.
Question 3 of 5
Which organ matures T lymphocytes?
Correct Answer: B
Rationale: The thymus matures T cells; bone marrow produces them, spleen and nodes activate.
Question 4 of 5
Which structure traps pathogens in the throat?
Correct Answer: A
Rationale: Tonsils trap throat pathogens; spleen filters blood, thymus matures T cells, nodes filter lymph.
Question 5 of 5
Which cells mediate type I hypersensitivity?
Correct Answer: C
Rationale: Mast cells mediate type I via IgE; T and B cells are adaptive, neutrophils are innate.