ATI RN
Questions on Immune System Questions
Question 1 of 4
Identify the class of antibody that attacks parasitic infections.
Correct Answer: B
Rationale: IgE combats parasitic infections, e.g., worms.
Question 2 of 4
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 3 of 4
Which of the following is true of an IgG molecule:
Correct Answer: A
Rationale: IgG crosses the placenta; IgA has a secretory component , IgG has 2 sites , and IgM is pentameric (D, E).
Question 4 of 4
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.