ATI RN
Pediatric Immunization NCLEX Questions Quizlet Questions
Question 1 of 5
a person developed an extracellular bacterial infection With the subsequent release of IGM, what is the most What is the most important function of IGM in this infection
Correct Answer: B
Rationale: IgM activates complement via the classical pathway, enhancing bacterial clearance. Answer assumed as B based on IgM function.
Question 2 of 5
A person develops a viral infection and both T and B cells become activated to fight the infection. In which way is antigen recognition by B cells different from antigen recognition by T cells?
Correct Answer: D
Rationale: B cells recognize native antigens via surface Ig, while T cells require processed antigens on MHC.
Question 3 of 5
Antibodies in our body are produced by:
Correct Answer: A
Rationale: B lymphocytes differentiate into plasma cells that produce antibodies.
Question 4 of 5
which of the following is needed to ensure a healthy T cell army that doesn't attack our own cells?
Correct Answer: B
Rationale: Thymic medullary epithelial cells (TMECs) educate T cells for self-tolerance.
Question 5 of 5
A 3-year-old girl presented with recurrent attacks of chest infection and frequent episodes of chronic diarrhea, stool examination revealed Giardia lamblia and serum IgA level was very low. Regarding this condition, all the following are true EXCEPT
Correct Answer: A
Rationale: Selective IgA deficiency is not typically autosomal dominant; it has a complex, often sporadic inheritance. The other statements align with its features, including normal B cells and no routine IVIG use.