ATI RN
Lymphatic System Exam Questions Questions
Question 1 of 5
Which lymphoid organ is involved in immune surveillance of the digestive tract?
Correct Answer: C
Rationale: The appendix monitors gut pathogens; thymus matures T cells, spleen filters blood, and nodes filter lymph.
Question 2 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 3 of 5
The spleen's red pulp contains which blood component?
Correct Answer: B
Rationale: Red pulp contains red blood cells ; plasma is fluid, lymphocytes are in white pulp, neutrophils are less.
Question 4 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 5 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.