ATI RN
Pediatric Immune Disorder Test Questions Questions
Question 1 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 2 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 3 of 5
Only has fragment antigen-binding (Fab) region
Correct Answer: C
Rationale: The Fab region alone binds antigens, lacking the Fc portion.
Question 4 of 5
IgM is structurally characterized as:
Correct Answer: D
Rationale: IgM is a pentamer, with five monomer units linked by disulfide bonds and a J chain.
Question 5 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.