ATI RN
Pediatric Immune Disorder Test Questions Questions
Question 1 of 5
Which of the following components of the adaptive immune system causes lysis of virally infected cells and the release of cytokines?
Correct Answer: C
Rationale: CD8+ cytotoxic T cells (CTLs) lyse virally infected cells and release cytokines to eliminate intracellular pathogens.
Question 2 of 5
Which of the following types of antigen presenting cells (APCs) has immunoglobulin that functions as a receptor, then the antigen is internalized, degraded, and presented to T cells?
Correct Answer: C
Rationale: B cells use surface immunoglobulin as a receptor to internalize, process, and present antigens to T cells.
Question 3 of 5
What types of cell is class I MHC found on?
Correct Answer: D
Rationale: Class I MHC is expressed on nearly all nucleated cells to present intracellular antigens to CD8+ T cells.
Question 4 of 5
An epitope is generally used to refer to an area on a much larger molecule (e.g., a viral protein) with which an antibody can react.
Correct Answer: A
Rationale: An epitope is the specific region on an antigen recognized by antibodies or T cell receptors.
Question 5 of 5
Only has fragment antigen-binding (Fab) region
Correct Answer: C
Rationale: The Fab region alone binds antigens, lacking the Fc portion.