ATI RN
ATI RN Test Bank
Immune System NCLEX Questions Questions
Question 1 of 5
A lysozyme is
Correct Answer: A
Rationale: Lysozyme is an enzyme in tears/saliva that breaks bacterial cell walls.
Question 2 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 3 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.
Question 4 of 5
Interferons are
Correct Answer: A
Rationale: Interferons are cytokines that inhibit viral replication.
Question 5 of 5
Which of the following is NOT a chemical barrier that prevents infection?
Correct Answer: B
Rationale: Mucous membranes are physical, not chemical barriers.