ATI RN
Immune System Multiple Choice Questions and Answers PDF Questions
Question 1 of 5
Where are the tonsils, a part of the lymphatic system, located in the human body?
Correct Answer: A
Rationale: Tonsils are located in the throat, guarding against ingested/inhaled pathogens.
Question 2 of 5
Which of the following statements is true about the IgM of humans?
Correct Answer: D
Rationale: IgM is mainly in blood, not crossing the placenta or protecting mucosa (IgA role).
Question 3 of 5
Which of the following is NOT a physical barrier that prevents infection?
Correct Answer: C
Rationale: HCl is a chemical barrier, not physical like skin or cilia.
Question 4 of 5
Which of the following is NOT true of T cell activation?
Correct Answer: C
Rationale: T cells do not produce antibodies (B cell role); they produce cytokines.
Question 5 of 5
How are antibody producing cells stimulated?
Correct Answer: B
Rationale: B cells (antibody producers) are stimulated by helper T cells via MHC-II.