ATI RN
Pediatric Immunity NCLEX Questions Questions
Question 1 of 5
Monocytes move from the systemic circulatory system into general connective tissues, where they differentiate into what phagocytic cell type?
Correct Answer: A
Rationale: Monocytes differentiate into macrophages in tissues, functioning as phagocytes.
Question 2 of 5
In the classical pathway, which of the following complement complex serve as C3 convertase
Correct Answer: B
Rationale: C4bC2b (often denoted C4b2a in some texts) is the C3 convertase in the classical pathway.
Question 3 of 5
Regarding chemokines, which one of the following is the most accurate?
Correct Answer: C
Rationale: Chemokines, like IL-8, attract neutrophils to infection sites, aiding inflammation.
Question 4 of 5
Which of the following statements best applies to the following diagram?
Correct Answer: C
Rationale: MHC class I is expressed on all nucleated cells, including T and B cells. Answer assumed as C based on typical MHC I description.
Question 5 of 5
Which immune system cells recognize body cells with reduced expression of MHC class I molecules?
Correct Answer: D
Rationale: NK cells target cells with low MHC I, a sign of viral infection or malignancy.