ATI RN
Pediatric Immune Disorder Test Questions Questions
Question 1 of 5
A male infant presents with a triad of symptoms including thrombocytopenia, eczema, and immunodeficiency. Which of the following is the most likely?
Correct Answer: B
Rationale: Wiskott-Aldrich syndrome is an X-linked disorder with thrombocytopenia, eczema, and immunodeficiency.
Question 2 of 5
Most common cause of secondary immunodeficiency?
Correct Answer: A
Rationale: Protein malnutrition is the most common cause of secondary immunodeficiency globally, as it impairs the production of immune cells and antibodies.
Question 3 of 5
Di George syndrome results from a defect in?
Correct Answer: C
Rationale: DiGeorge syndrome results from defective thymic development due to 22q11.2 deletion, leading to T-cell deficiency.
Question 4 of 5
The currently available vaccine to prevent hepatitis A infection is...?
Correct Answer: C
Rationale: The hepatitis A vaccine is an inactivated (killed) virus vaccine, providing immunity without risk of infection.
Question 5 of 5
Atopic people produce an increased amount of IgE. Of the following, which is the most likely explanation for the increased amount of IgE?
Correct Answer: D
Rationale: IL-4 from Th2 cells drives B cells to produce IgE, a key factor in atopy and allergic responses.