ATI RN
Pediatric Immunization Practice Questions Questions
Question 1 of 5
In patient with Chédiak-Higashi syndrome, the only curative therapy is hematopoietic stem cell transplantation which correct all the following EXCEPT
Correct Answer: A
Rationale: HSCT corrects immune and hematologic defects in Chédiak-Higashi but not progressive neuropathy, which is neurologic in origin.
Question 2 of 5
Adaptive immune system response typically takes how long?
Correct Answer: D
Rationale: The adaptive immune response, involving lymphocyte activation and proliferation, takes days to fully develop, unlike the rapid innate response.
Question 3 of 5
Humoral immunity is mediated by antibodies from and is involved in the elimination of pathogens. Cell mediated immunity is mediated by and is involved in the elimination of pathogens.
Correct Answer: B
Rationale: Humoral immunity (B cells) targets extracellular pathogens with antibodies, while cell-mediated immunity (T cells) eliminates intracellular pathogens.
Question 4 of 5
Which of the following produce large amounts of antibodies (Igs) and differentiate upon stimulation from CD4+ cells?
Correct Answer: C
Rationale: Plasma cells, derived from B cells activated by CD4+ T cells, produce large quantities of antibodies.
Question 5 of 5
Which of the following key components of the complement pathway can be activated by the lectin, classical, and alternative pathways?
Correct Answer: B
Rationale: C3 is the central component activated by all three complement pathways (lectin, classical, alternative), converging to amplify the response.