ATI RN
Lymphatic System Quiz Questions Questions 
            
        Question 1 of 5
Which tonsils are also called adenoids?
Correct Answer: B
Rationale: Pharyngeal tonsils are adenoids; palatine , lingual , and tubal are distinct.
Question 2 of 5
Which cells in lymph nodes are activated by antigens?
Correct Answer: B
Rationale: Lymphocytes are activated by antigens; macrophages present, neutrophils and eosinophils fight infection.
Question 3 of 5
What is the primary role of Peyer's patches?
Correct Answer: B
Rationale: Peyer's patches monitor gut pathogens; filtering is nodes, T cells are thymus, storing is minimal.
Question 4 of 5
The innate immune system is characterized by:
Correct Answer: C
Rationale: Innate immunity responds quickly but lacks specificity and memory ; antibodies are adaptive.
Question 5 of 5
What is the role of natural killer (NK) cells?
Correct Answer: C
Rationale: NK cells kill abnormal cells; antibodies are B cells, phagocytosis is macrophages, presentation is dendritic cells.
