ATI RN
Ricci Maternity and Pediatrics NCLEX Question Immunization Questions
Question 1 of 5
Which of the following describes the hematopoietic centers in Gestation?
Correct Answer: A
Rationale: Hematopoiesis shifts from blood islands (yolk sac) to liver, then bone marrow during gestation.
Question 2 of 5
Severe eosinophilia, defined as an absolute eosinophil count (AEC) more than
Correct Answer: C
Rationale: Severe eosinophilia is clinically defined as an AEC >1,500 cells/μL, indicating significant eosinophil elevation.
Question 3 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 4 of 5
The MOST common pathogen in chronic granulomatous disease (CGD) is
Correct Answer: A
Rationale: Staphylococcus aureus is the most common pathogen in CGD, causing abscesses due to impaired oxidative killing by phagocytes.
Question 5 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).