ATI RN
Lymphatic System Exam Questions Questions
Question 1 of 5
Which cells in the thymus undergo positive selection?
Correct Answer: B
Rationale: T cells undergo positive selection in the thymus; B cells are in bone marrow, macrophages and dendritic assist.
Question 2 of 5
The lymphatic system's interaction with the digestive system occurs at:
Correct Answer: B
Rationale: Lacteals in the intestines interact with digestion; stomach , liver , and pancreas are blood-focused.
Question 3 of 5
What is the primary source of immune cells?
Correct Answer: C
Rationale: Bone marrow produces immune cells; spleen filters, thymus matures T cells, nodes activate.
Question 4 of 5
The tonsils are part of which immune defense?
Correct Answer: A
Rationale: Tonsils are innate barriers; adaptive involves lymphocytes, humoral is antibodies, cellular is T cells.
Question 5 of 5
What is the role of dendritic cells in lymph nodes?
Correct Answer: B
Rationale: Dendritic cells present antigens; antibodies are B cells, killing is T cells, phagocytosis is macrophages.