ATI RN
Pediatric Immunization Test Questions Questions
Question 1 of 5
Which of the following components of the innate immune system involves the release of histamine?
Correct Answer: D
Rationale: Tissue mast cells release histamine during innate responses, such as allergies or inflammation, unlike the other listed cells.
Question 2 of 5
What stage of an adaptive immune response involves secretion of antibody from a large plasma cell with extensive endoplasmic reticulum?
Correct Answer: C
Rationale: The effector phase includes antibody secretion by plasma cells, which have extensive ER for protein production.
Question 3 of 5
The genes encoding which of the following can undergo hypermutation to create receptors that are an even better fit for foreign antigens?
Correct Answer: A
Rationale: BCRs undergo somatic hypermutation in B cells to enhance antigen affinity, unlike TCRs or MHCs.
Question 4 of 5
Which of the following is NOT true regarding effective immunogens?
Correct Answer: D
Rationale: Effective immunogens (e.g., proteins) don't require carriers; this is true for haptens, not standalone immunogens.
Question 5 of 5
Binds antigen
Correct Answer: C
Rationale: The Fab region binds antigens via its variable domains, formed by light and heavy chains.