ATI RN
Pediatric Immunity NCLEX Questions Questions
Question 1 of 5
In addition to infection and bleeding, the MOST common cause of death in Wiskott-Aldrich syndrome is
Correct Answer: D
Rationale: Wiskott-Aldrich syndrome (WAS) patients have a high risk of EBV-associated lymphomas due to immune dysregulation, making it a leading cause of death.
Question 2 of 5
Shifting to the left (proportion of immature neutrophil cells >5%) may occasionally be caused by all the following EXCEPT
Correct Answer: D
Rationale: Megaloblastic anemia affects RBC production, not neutrophil maturation; the others cause stress-induced left shifts.
Question 3 of 5
The complement component of both the classical and alternative pathways is
Correct Answer: B
Rationale: C3 is central to both classical and alternative pathways, acting as a convergence point for complement activation.
Question 4 of 5
A medical student acquired hepatitis B through a needle-stick injury. The student had not received their vaccinations for this virus and eventually experienced liver problems. One of the clinical signs of this disease is jaundice, which turns the skin and sclera what color?
Correct Answer: D
Rationale: Jaundice, a symptom of hepatitis B due to liver dysfunction, causes yellowing of the skin and sclera from bilirubin buildup.
Question 5 of 5
Antigen presenting cells (APCs) include macrophages and dendritic cells, which are found in lymphoid tissues and the These are critical in the uptake and presentation of antigen to T cells.
Correct Answer: C
Rationale: APCs like macrophages and dendritic cells are abundant in the skin, a key site for pathogen entry, and lymphoid tissues, where they present antigens to T cells.