ATI RN
Ricci Maternity and Pediatrics NCLEX Question Immunization Questions
Question 1 of 5
All the following drugs can induce neutropenia EXCEPT
Correct Answer: B
Rationale: Tetracycline is not commonly associated with neutropenia, unlike the others, which can suppress bone marrow function.
Question 2 of 5
Which of the following mediates an early response to viral infections by the innate immune system?
Correct Answer: D
Rationale: Interferons are cytokines produced early in viral infections by the innate immune system to inhibit viral replication and activate immune cells, unlike the other options which are either adaptive (lymphocytes, vaccines) or less specific to viruses (complement).
Question 3 of 5
Phagocytes ingest particular matter into cells for degradation. Which of the following is NOT considered a phagocyte?
Correct Answer: D
Rationale: Lymphocytes (B and T cells) are not phagocytic; they mediate adaptive immunity, unlike macrophages, neutrophils, and eosinophils which engulf pathogens.
Question 4 of 5
Eosinophils
Correct Answer: C
Rationale: Eosinophils are specialized for killing parasites, such as helminths, via granule release, not phagocytosis or histamine release.
Question 5 of 5
Proliferation of cells with matching receptors
Correct Answer: B
Rationale: The activation phase involves clonal expansion of lymphocytes with receptors matching the antigen.