ATI RN · Obstetrics and Pediatrics · Pediatric Immunity NCLEX Questions
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Showing all 5 practice questions with expert explanatory rationales.
Which complement pathway is activated by (and requires) antibodies, with IgM being particularly good at C1 binding?
Expert Explanatory Rationale
Correct Answer: Classical
Most peripheral B cells belong to a pool of long lived follicular B lymphocytes called ___ cells. The majority of B cells found in the fetus and neonate are ___ cells, which express the surface marker CD5. ___ cells are the most likely to be involved in autoimmunity.
Expert Explanatory Rationale
Correct Answer: B-2; B-1; B-1
Which of the following types of antigen presenting cells (APCs) is specialized for degradation and presentation of particulate antigens to T cells?
Expert Explanatory Rationale
Correct Answer: Macrophage
In the classical pathway, which of the following complement complex serve as C3 convertase
Expert Explanatory Rationale
Correct Answer: C4bC2b
Shifting to the left (proportion of immature neutrophil cells >5%) may occasionally be caused by all the following EXCEPT
Expert Explanatory Rationale
Correct Answer: megaloblastic anemia
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