ATI RN
Pediatric Immunity NCLEX Questions Questions
Question 1 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.
Question 2 of 5
Which of the following is NOT true?
Correct Answer: D
Rationale: T cells recognize linear peptide epitopes presented by MHC, not discontinuous ones, which antibodies can bind.
Question 3 of 5
Has an fragment crystallizable (Fc) and Fab region
Correct Answer: D
Rationale: The full antibody includes both Fc and Fab regions, unlike isolated fragments.
Question 4 of 5
Which of the following is the main immunoglobulin in the gut and secretions (saliva, milk, tears) and is important in mucosal immunity?
Correct Answer: A
Rationale: IgA predominates in mucosal areas and secretions, providing local immunity.
Question 5 of 5
Which of the following would be used as preliminary screening for the presence of antibodies to HIV proteins in a patient's blood sample?
Correct Answer: A
Rationale: ELISA is widely used as a preliminary screening test for HIV antibodies due to its sensitivity and ease of use.