ATI RN
Good Questions About the Immune System Questions
Question 1 of 5
Which lymphatic organ filters lymph and is often referred to as the 'guardian of the immune system'?
Correct Answer: B
Rationale: Tonsils filter lymph and guard against pathogens at entry points.
Question 2 of 5
Within a lymph node, B lymphocytes are located within the ____ of the lymph node and T lymphocytes and macrophage are located within the _________ of the lymph node.
Correct Answer: B
Rationale: B cells are in nodules; T cells and macrophages are in sinuses.
Question 3 of 5
Identify the class of antibody that crosses the placenta.
Correct Answer: D
Rationale: IgG crosses the placenta, providing fetal immunity.
Question 4 of 5
The elderly have a(n) __________ risk of infection and the elderly's response to vaccines ___________.
Correct Answer: D
Rationale: Aging increases infection risk and decreases vaccine efficacy.
Question 5 of 5
Regarding cytokines
Correct Answer: B
Rationale: Cytokines have overlapping (redundant) roles; they target multiple cells , act in innate and adaptive , and can inhibit .