ATI RN
Immune System Multiple Choice Questions Questions
Question 1 of 5
Which of the following is not considered a lymphatic organ?
Correct Answer: C
Rationale: The liver is not a lymphatic organ; it processes blood, unlike spleen or thymus.
Question 2 of 5
Which of the following protects our body against disease-causing pathogens?
Correct Answer: B
Rationale: The immune system defends against pathogens.
Question 3 of 5
Non-specific defense mechanisms are effective against _________ type(s) of infectious agent(s) and specific defense mechanisms are effective against __________ type(s) of infectious agent(s).
Correct Answer: B
Rationale: Nonspecific defenses target many agents; specific target one.
Question 4 of 5
An antigen-antibody complex may
Correct Answer: D
Rationale: Antigen-antibody complexes can do all: activate complement, attract phagocytes, and neutralize toxins.
Question 5 of 5
Interferons are very special defence mechanisms which operate by:
Correct Answer: B
Rationale: Interferons bind neighboring cells, inducing antiviral states.