ATI RN
Questions on Immune System Questions
Question 1 of 5
B lymphocytes
Correct Answer: D
Rationale: B cells are activated by protein and non-protein antigens; T cells are more common , need T help , are humoral , and receptor is for EBV .
Question 2 of 5
Which one of the following immunological interactions would most likely initiate this autoimmune disease?
Correct Answer: D
Rationale: Antibodies/T cells to released thyroid antigens trigger autoimmunity; complement , NK , and eosinophils are less specific.
Question 3 of 5
What is the primary role of lymph nodes?
Correct Answer: B
Rationale: Lymph nodes filter lymph to remove pathogens; they don't produce lymph , store blood , or secrete hormones .
Question 4 of 5
Which lymphatic structure is found near the ileocecal valve?
Correct Answer: C
Rationale: The appendix is near the ileocecal valve; Peyer's patches are in the ileum, tonsils in throat, spleen in abdomen.
Question 5 of 5
The spleen's white pulp surrounds which structure?
Correct Answer: A
Rationale: White pulp surrounds central arteries ; veins , capillaries , and lymphatic vessels are elsewhere.