ATI RN
Pediatric Immunity NCLEX Questions Questions
Question 1 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 2 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 3 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 4 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 5 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.