ATI RN
Immune System NCLEX Questions Quizlet Questions
Question 1 of 5
origin of T-lymphocyte
Correct Answer: B
Rationale: T-lymphocytes originate from mesodermal bone marrow stem cells.
Question 2 of 5
Where does mesothelioma develop?
Correct Answer: C
Rationale: Mesothelioma develops in the pleura , the lung's lining, due to asbestos exposure; not in alveoli , bronchi , or trachea .
Question 3 of 5
Which type of APC has the ability to concentrate antigen for presentation?
Correct Answer: A
Rationale: Dendritic cells excel at antigen uptake and concentration; macrophages and B cells (C, D) present but don't concentrate as effectively.
Question 4 of 5
How do cytotoxic T cells (CTLs) kill infected cells?
Correct Answer: C
Rationale: CTLs use perforin, granzyme B, and FasL to trigger apoptosis ; antibodies are B-cell products, cytokines are secondary.
Question 5 of 5
What is the role of the thymus in protecting the body against disease?
Correct Answer: B
Rationale: The thymus matures T lymphocytes and produces thymosin ; it doesn't recycle , mature B cells (C, bone marrow), or produce macrophages/monocytes .