ATI RN
Pediatric Immunity NCLEX Questions Questions
Question 1 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 2 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 3 of 5
Involved in signal transduction on different T cells
Correct Answer: B
Rationale: CD3 is involved in signal transduction across all T cells.
Question 4 of 5
MHC molecules exhibit and immunoglobulin/TCR molecules exhibit
Correct Answer: D
Rationale: MHC molecules are co-dominantly expressed, while immunoglobulins and TCRs exhibit allelic exclusion.
Question 5 of 5
Good pasture's syndrome
Correct Answer: B
Rationale: Goodpasture's syndrome is associated with HLA-DR2.