ATI RN
ATI RN Test Bank
Immune System NCLEX Questions Questions
Question 1 of 5
IgE is an interleukin involved in allergies.
Correct Answer: B
Rationale: IgE is an antibody, not an interleukin.
Question 2 of 5
A lysozyme is
Correct Answer: A
Rationale: Lysozyme is an enzyme in tears/saliva that breaks bacterial cell walls.
Question 3 of 5
Cytotoxic T-cells recognize antigens combined with
Correct Answer: C
Rationale: Cytotoxic T cells (CD8+) recognize antigens on MHC-I, targeting infected cells.
Question 4 of 5
What is the primary function of the thymus gland in the lymphatic system?
Correct Answer: B
Rationale: The thymus produces and matures T lymphocytes.
Question 5 of 5
Which of the following statements about lymphatic vessels is accurate?
Correct Answer: D
Rationale: Lymphatic vessels carry lymph toward the heart, aided by muscle movement.