ATI RN
Pediatric Immunity NCLEX Questions Questions
Question 1 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 2 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 3 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.
Question 4 of 5
T cells are made in the and complete their differentiation in the
Correct Answer: D
Rationale: T cells originate in the bone marrow and mature in the thymus, where they develop their antigen receptors.
Question 5 of 5
Which of the following types of antigen presenting cells (APCs) is specialized for degradation and presentation of particulate antigens to T cells?
Correct Answer: A
Rationale: Macrophages are specialized for phagocytosing and degrading particulate antigens, presenting them to T cells.