ATI RN
Pediatric Immunity NCLEX Questions Questions
Question 1 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 2 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.
Question 3 of 5
Where are δγ T cells generally found in the body (location of TCR rearrangement)?
Correct Answer: D
Rationale: TCR rearrangement for δγ T cells occurs in the thymus, where T cell development takes place.
Question 4 of 5
If a B cell successfully rearranges the first heavy chain locus, it inhibits the rearrangement of the other heavy chain on the other chromosome. What is this called?
Correct Answer: B
Rationale: Allelic exclusion prevents rearrangement of the second allele after a successful first rearrangement.
Question 5 of 5
Involved in signal transduction on different T cells
Correct Answer: B
Rationale: CD3 is involved in signal transduction across all T cells.