ATI RN
ATI RN Test Bank
Immune System Multiple Choice Questions Questions
Question 1 of 4
An antigen-antibody complex may
Correct Answer: D
Rationale: Antigen-antibody complexes can do all: activate complement, attract phagocytes, and neutralize toxins.
Question 2 of 4
Mast cells
Correct Answer: A
Rationale: Mast cells are bone marrow-derived; they drive type I , release PAF , and don't phagocytose .
Question 3 of 4
General characteristics of the complement system includes proteins that are:
Correct Answer: A
Rationale: Complement proteins are liver-made and circulate; not antigen-specific , not only spleen , or only post-stimulation .
Question 4 of 4
Clonal deletion and clonal abortion are examples of mechanisms related to:
Correct Answer: B
Rationale: Clonal deletion/abortion occur in thymus (central); peripheral is post-thymus, periportal is not a term.