ATI RN
Pediatric Immunity NCLEX Questions Questions
Question 1 of 5
What types of cell is class II MHC found on?
Correct Answer: D
Rationale: Class II MHC is primarily on professional APCs (B cells, macrophages, dendritic cells), making d (moved from e) correct.
Question 2 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 3 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 4 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.
Question 5 of 5
During the final step of synthesis for heavy and light immunoglobulin chains, which of the following peptides is cleaved?
Correct Answer: A
Rationale: The Leader (L) peptide is cleaved during the final processing of immunoglobulin chains to produce the mature protein.