ATI RN
Pediatric Immunization NCLEX Questions Ricci Questions
Question 1 of 5
Multiple sclerosis
Correct Answer: B
Rationale: Multiple sclerosis is associated with HLA-DR2.
Question 2 of 5
Immunoreceptor tyrosine-based activation motifs (ITAMs) are essential for signal transduction in cells.
Correct Answer: D
Rationale: ITAMs are critical for signal transduction in both B cells (via BCR) and T cells (via TCR).
Question 3 of 5
Which of the following are cells with some lineage commitment and little or no selfrenewal capacity?
Correct Answer: B
Rationale: Progenitor cells are committed to a lineage with limited self-renewal, unlike HSCs.
Question 4 of 5
Phagocytic and cytotoxic activities; chemotactic factors
Correct Answer: A
Rationale: Monocytes/macrophages are phagocytic and release chemotactic factors.
Question 5 of 5
Medulla
Correct Answer: A
Rationale: The medulla of lymph nodes contains B cells and plasma cells.