ATI RN
Immune System Questions Questions
Question 1 of 5
What is the consequence of lymphatic vessel blockage?
Correct Answer: B
Rationale: Lymphedema results from blockage; pressure is circulatory, lymphoma is cancer, lymphadenitis is inflammation.
Question 2 of 5
Which protein complex enhances phagocytosis in innate immunity?
Correct Answer: B
Rationale: Complement opsonizes pathogens for phagocytosis; antibodies are adaptive, cytokines signal, histamines inflame.
Question 3 of 5
Which cells are involved in humoral immunity?
Correct Answer: B
Rationale: B cells drive humoral immunity via antibodies; T cells are cellular, macrophages and dendritic are innate.
Question 4 of 5
Which cells are key to immune regulation?
Correct Answer: B
Rationale: T-regulatory cells regulate immunity; cytotoxic T kill, B cells make antibodies, macrophages phagocytose.
Question 5 of 5
Which organ traps gut pathogens?
Correct Answer: C
Rationale: Peyer's patches trap gut pathogens; spleen filters blood, thymus matures T cells, nodes filter lymph.