ATI RN
Pediatric Immunization NCLEX Questions Ricci Questions
Question 1 of 5
19-year-old college student develops a rash. She works part-time in a pediatric AIDS clinic. Her blood is drawn and tested for specific antibody to the chicken pox virus (varicella-zoster). Which of the following antibody classes would you expect to find if she is immune to chicken pox?
Correct Answer: A
Rationale: IgG indicates long-term immunity to past infections like chickenpox.
Question 2 of 5
A 9-month-old boy presented with recurrent attacks of diarrhea, thrush, and failure to thrive shortly after birth. You suspect immune deficiency. Of the following, the MOST common cause of this condition is
Correct Answer: C
Rationale: The symptoms (diarrhea, thrush, failure to thrive) suggest severe combined immunodeficiency (SCID), most commonly due to T-cell defects, which impair both cellular and humoral immunity.
Question 3 of 5
The treatment of choice for a 3-year-old boy with Wiskott-Aldrich syndrome is
Correct Answer: D
Rationale: Bone marrow or cord blood transplantation is curative for WAS, correcting the underlying genetic defect affecting immunity, platelets, and eczema.
Question 4 of 5
Chronic neutropenia may be induced by
Correct Answer: C
Rationale: Cytomegalovirus can cause prolonged bone marrow suppression, leading to chronic neutropenia, unlike the others, which typically cause transient effects.
Question 5 of 5
A 15-year-old boy presented with high fever, lymphadenopathy, hepatosplenomegaly, recurrent skin infections, silvery hair, and photophobia. Last year, he developed ataxia. The MOST characteristic finding in this condition is
Correct Answer: A
Rationale: Chédiak-Higashi syndrome (silvery hair, infections, ataxia) is characterized by neutropenia due to defective neutrophil granule function.