ATI RN
Ricci Maternity and Pediatrics NCLEX Question Immunization Questions
Question 1 of 5
Can create a soluble antigen receptor (antibody)
Correct Answer: A
Rationale: BCRs on B cells can produce soluble antibodies, unlike TCRs or MHC molecules.
Question 2 of 5
Gamma (γ) globulin serum fraction contains predominantly which immunoglobulin?
Correct Answer: D
Rationale: IgG is the predominant immunoglobulin in the gamma globulin fraction, making up most serum antibodies.
Question 3 of 5
Predominant in the primary (early) immune response
Correct Answer: C
Rationale: IgM is the first antibody produced in a primary immune response, before class switching to IgG.
Question 4 of 5
Which of the following best describes cross-reactivity?
Correct Answer: B
Rationale: Cross-reactivity occurs when one antibody binds multiple similar antigens due to shared epitopes.
Question 5 of 5
Which of the following uses protein antigens separated by molecular weight using sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE)?
Correct Answer: D
Rationale: Western blotting uses SDS-PAGE to separate proteins by molecular weight before antigen detection.