ATI RN
Good Questions About the Immune System Questions
Question 1 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 2 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 3 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 .
Question 4 of 5
The immunoglobulin that is found predominantly in secretions:
Correct Answer: A
Rationale: IgA dominates secretions; IgD , IgE , IgG , and IgM are not primary in secretions.
Question 5 of 5
When a micro-organism displays surface antigen which is very similar in structure to a particular MHC molecule this may result in the development of autoimmunity through the mechanism of:
Correct Answer: A
Rationale: Molecular mimicry causes autoimmunity via similar antigens; dissimilarity prevents, revolt and antibody mimicry are not terms.