ATI RN
Immune System Quiz Questions Questions
Question 1 of 5
HIV is a virus that is particularly difficult to eradicate
Correct Answer: C
Rationale: HIV's high mutation rate creates drug-resistant strains, complicating eradication, not its RNA genome, rare mutation, or size.
Question 2 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 3 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 4 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.
Question 5 of 5
Which of the following conveys the longest-lasting immunity to an infectious agent?
Correct Answer: C
Rationale: Natural active immunity is longest-lasting due to memory; passive (A, B) is temporary.