ATI RN
Immune System Quiz Questions Questions
Question 1 of 5
Passive immunity depends upon
Correct Answer: B
Rationale: Passive immunity involves receiving pre-formed antibodies from another source, not self-production or cell transfer.
Question 2 of 5
Which molecule below is a fungal pathogen associated molecular pattern (PAMP)?
Correct Answer: C
Rationale: Zymosan, a fungal cell wall component, is a PAMP, unlike dsRNA (viral), LPS (bacterial), or CpG (bacterial DNA).
Question 3 of 5
Which of the following statements does not describe an antibody (Ab) effector function?
Correct Answer: B
Rationale: Antibodies don't form pores (complement does via MAC); they mediate ADCC, neutralization, opsonization, and complement activation.
Question 4 of 5
Which of the statements below is incorrect?
Correct Answer: C
Rationale: Activated T cells proliferate in lymph nodes, not blood, before exiting as effector cells.
Question 5 of 5
All of the following are true concerning IgM antibodies EXCEPT which one
Correct Answer: C
Rationale: IgM is a glycoprotein , fixes complement , and is on B-cells ; allergies are IgE-mediated.