ATI RN
Immune System Practice Questions Questions
Question 1 of 5
The Thymus independent type I antigen are _____________.
Correct Answer: D
Rationale: TI-1 antigens are polysaccharides; not nucleic acids (A, B) or proteins .
Question 2 of 5
Cytotoxic T-cells destroy their target cells by releasing a substance that affects
Correct Answer: A
Rationale: Cytotoxic T cells release perforins/granzymes, disrupting target cell membranes.
Question 3 of 5
How does lymph move through the lymphatic vessels?
Correct Answer: D
Rationale: Skeletal muscle contractions propel lymph, aided by valves.
Question 4 of 5
Which lymphatic organ is responsible for filtering and monitoring the blood for foreign substances, including bacteria and viruses?
Correct Answer: B
Rationale: The spleen filters blood for pathogens and debris.
Question 5 of 5
Monocytes differentiate into which kind of phagocytic cells?
Correct Answer: C
Rationale: Monocytes become macrophages, which are phagocytic.