ATI RN
Pediatric Immune Disorder Test Questions Questions
Question 1 of 5
Only has fragment antigen-binding (Fab) region
Correct Answer: C
Rationale: The Fab region alone binds antigens, lacking the Fc portion.
Question 2 of 5
Which of the following uses ultraviolet (UV) light for examining specimens?
Correct Answer: B
Rationale: Fluorescent antibodies emit light under UV excitation, making them suitable for examining specimens with UV light.
Question 3 of 5
The two types of light chains are:
Correct Answer: D
Rationale: The two types of immunoglobulin light chains are lambda (λ) and kappa (κ).
Question 4 of 5
The biochemical structure of the T-cell receptor (TCR) of theαβ type (95% of human TCRs) is comparable to a immunoglobulin fragment, having very short cytoplasmic tails.
Correct Answer: C
Rationale: Theαβ TCR resembles a membrane-bound Fab fragment with short cytoplasmic tails.
Question 5 of 5
If both RAG-1 and RAG-2 mutations occur, which of the following is true?
Correct Answer: B
Rationale: Mutations in both RAG-1 and RAG-2 prevent T and B cell development, but NK cells remain unaffected.