ATI RN
Lymphatic System Quiz Questions Questions 
            
        Question 1 of 5
What is the term for the fluid inside lymphatic vessels?
Correct Answer: B
Rationale: Lymph is the fluid in lymphatic vessels; blood is in blood vessels, plasma is blood's liquid part, and serum is plasma without clotting factors.
Question 2 of 5
The thoracic duct begins at which structure?
Correct Answer: B
Rationale: The thoracic duct starts at the cisterna chyli ; right duct is separate, trunks feed it, vein is endpoint.
Question 3 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 4 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 5 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.