ATI RN
Pediatric Immunization Test Questions Questions
Question 1 of 5
Matching: Immunodeficiency - Fatal echovirus encephalitis
Correct Answer: D
Rationale: X-linked agammaglobulinemia (Bruton) lacks B cells and antibodies, predisposing to severe enteroviral infections like echovirus encephalitis. DiGeorge affects T cells, not primarily enteroviruses.
Question 2 of 5
Which of the following is not true of monocytes and neutrophils?
Correct Answer: A
Rationale: Monocytes do not have unlimited division capacity; they differentiate into macrophages with limited proliferation, making A untrue.
Question 3 of 5
Reported complications of intravenous immunoglobulin therapy include all of the following EXCEPT
Correct Answer: D
Rationale: AIDS is not a reported complication of IVIG; hepatitis C was historically linked to contaminated batches, but modern IVIG is screened and safe.
Question 4 of 5
Neutropenia (for white children 1 year of age or older) is defined as an absolute neutrophil count (ANC) less than
Correct Answer: C
Rationale: Neutropenia in children over 1 year is defined as ANC < 1500/mm3, indicating reduced neutrophil levels increasing infection risk.
Question 5 of 5
A 7-year-old child presented with severe stridor and abdominal pain, he gives history of recurrent episodes of nonpruritic edema lasting 48 to 72 hours, which usually triggered by stress, or anxiety. Of the following, the MOST likely cause is deficiency of
Correct Answer: C
Rationale: C1 inhibitor deficiency causes hereditary angioedema, leading to recurrent nonpruritic edema triggered by stress.