ATI RN
Pediatric Immunization NCLEX Questions Questions
Question 1 of 5
A 15-month-old male child presented with thrombocytopenic purpura, atopic dermatitis, and recurrent infections caused by cytomegalovirus and P.jiroveci. Immunoglobulin assay revealed elevated IgE and IgA with decreased IgM levels. Of the following, the MOST likely diagnosis is
Correct Answer: A
Rationale: Wiskott-Aldrich syndrome is characterized by eczema, thrombocytopenia, and recurrent infections with abnormal immunoglobulin levels (elevated IgE/IgA, low IgM).
Question 2 of 5
which of the following cells will be the last cell to perform its function in skin pathogen invasion
Correct Answer: B
Rationale: Naïve CD8 lymphocytes require activation by antigen-presenting cells and differentiation into cytotoxic T cells, making them the last to act compared to innate cells like NK cells, macrophages, and intraepithelial lymphocytes.
Question 3 of 5
which of the following is a Pathogen associated molecular pattern
Correct Answer: A
Rationale: Double-stranded viral RNA is a PAMP recognized by innate immune receptors like TLR3, whereas HMGb1 is a DAMP (damage-associated molecular pattern).
Question 4 of 5
All of the following are actions of IL-1 EXCEPT
Correct Answer: D
Rationale: IL-1 increases vascular permeability to aid WBC migration, not decreases it.
Question 5 of 5
Which of the following best describes complementary system
Correct Answer: B
Rationale: The complement system comprises proteins that enhance opsonization, inflammation, and lysis.