ATI RN
Pediatric Immunizations NCLEX Questions Questions
Question 1 of 5
Involved in allergic responses
Correct Answer: B
Rationale: IgE is key in allergic responses, binding to mast cells and basophils to trigger histamine release.
Question 2 of 5
Which of the following is used extensively to detect antigens in cells or tissue sections, as well as to screen for auto-antibodies to cell or tissue antigens?
Correct Answer: B
Rationale: Fluorescent antibodies are extensively used in immunofluorescence to detect antigens in cells or tissues.
Question 3 of 5
is frequently found on the surface of B cells co-expressed with These two classes are co-expressed not by class switching but by alternative processing of a primary RNA transcript. Both molecules expressed on the single mature B cell have the same binding specificity for antigen.
Correct Answer: B
Rationale: IgD and IgM are co-expressed on mature B cells via alternative RNA processing, sharing antigen specificity.
Question 4 of 5
Which of the following are located in chromosome 7 within human T-cell receptors?
Correct Answer: C
Rationale: The gamma (γ)-locus is located on chromosome 7, along with the alpha (α)-locus.
Question 5 of 5
The TCR binds with , and the relatively surface of the TCR interacts with its ligand.
Correct Answer: D
Rationale: The TCR binds both MHC and peptide antigen with a flat surface for recognition.