ATI RN
Immune System NCLEX Questions Questions
Question 1 of 5
Cell mediated immunity is carried out by while humoral immunity is mainly carried out by
Correct Answer: C
Rationale: T cells mediate cellular immunity (e.g., killing infected cells), while B cells drive humoral immunity (antibody production).
Question 2 of 5
The proteins secreted by plasma cells are called
Correct Answer: D
Rationale: Plasma cells secrete antibodies ; MHC , complement , antigens , and cytokines are different.
Question 3 of 5
IgE is an interleukin involved in allergies.
Correct Answer: B
Rationale: IgE is an antibody, not an interleukin.
Question 4 of 5
Which of the following statements is false about the receptors of Innate Immune System?
Correct Answer: A
Rationale: Innate receptors (e.g., TLRs, D) don't include MHC ; they use PRRs .
Question 5 of 5
A lysozyme is
Correct Answer: A
Rationale: Lysozyme is an enzyme in tears/saliva that breaks bacterial cell walls.