ATI RN
Lymphatic System Practice Questions Questions
Question 1 of 5
The adaptive immune response is initiated in:
Correct Answer: B
Rationale: Lymph nodes initiate adaptive responses; bone marrow produces cells, blood and skin are initial sites.
Question 2 of 5
The thymus is derived from which embryonic structure?
Correct Answer: A
Rationale: The thymus comes from pharyngeal pouches; neural crest , mesoderm , and ectoderm form other structures.
Question 3 of 5
What is the role of T-cytotoxic cells?
Correct Answer: B
Rationale: T-cytotoxic cells kill infected cells; antibodies are B cells, activation is T-helper, phagocytosis is macrophages.
Question 4 of 5
With regard to the superficial cortex of the lymph node: It is part of a primary lymphatic organ.
Correct Answer: B
Rationale: Lymph nodes are secondary lymphatic organs; primary organs include thymus and bone marrow.
Question 5 of 5
The lymphatic fluid is
Correct Answer: C
Rationale: Lymphatic fluid is typically colorless, lacking the red blood cells that give blood its color.