ATI RN
Ricci Maternity and Pediatrics NCLEX Question Immunization Questions
Question 1 of 5
What are peripheral cells called if they have never come in contact with antigen?
Correct Answer: C
Rationale: Peripheral B cells unexposed to antigen are called naïve.
Question 2 of 5
Patients with MHC class II (or class I) antigen deficiency would exhibit which of the following?
Correct Answer: C
Rationale: MHC deficiencies lead to impaired T-cell responses, causing persistent infections.
Question 3 of 5
Extracellular pathogen response involves ___ T cells and ___ MHC molecules. Intracellular pathogen response involves ___ T cells and ___ MHC molecules.
Correct Answer: C
Rationale: CD4+ with MHC II targets extracellular pathogens; CD8+ with MHC I targets intracellular pathogens.
Question 4 of 5
Cell adhesion molecules (CAMs) are important in the trafficking of lymphocytes.
Correct Answer: A
Rationale: CAMs facilitate lymphocyte movement and homing, making this statement true.
Question 5 of 5
Type I interferon is released in response to ___, which is recognized using a pattern-recognition molecule called Toll-like receptor 3.
Correct Answer: D
Rationale: TLR3 recognizes double-stranded RNA, triggering type I interferon release.