ATI RN
Questions on Immune System Questions
Question 1 of 5
The branch of biology, which involves the study of immune systems in all organisms is called_____________.
Correct Answer: C
Rationale: Immunology studies immune systems across organisms.
Question 2 of 5
Identify the class of antibody that attacks parasitic infections.
Correct Answer: B
Rationale: IgE combats parasitic infections, e.g., worms.
Question 3 of 5
Which of the following is NOT an autoimmune disease?
Correct Answer: A
Rationale: SCID is an immunodeficiency, not autoimmune.
Question 4 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 5 of 5
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).