ATI RN
Lymphatic System Questions Questions
Question 1 of 5
This is secreted by plasma cells.
Correct Answer: C
Rationale: Plasma cells secrete antibodies ; clones are cells, antigens are targets, interferons are antiviral, and complements are innate proteins.
Question 2 of 5
Cells determine what peptides are to be presented to the immune system by:
Correct Answer: C
Rationale: MHC I/II presentation shows peptides; not chance , TCR phagocytosis , or synthesis , antibody is unrelated.
Question 3 of 5
Which fluid is collected by lymphatic capillaries?
Correct Answer: B
Rationale: Lymphatic capillaries collect interstitial fluid from tissues; plasma is in blood vessels, CSF is in the CNS, and synovial fluid is in joints.
Question 4 of 5
What initiates lymph flow from the tissues?
Correct Answer: C
Rationale: Muscle contraction starts lymph flow; blood pressure drives blood, osmotic pressure pulls fluid, and gravity aids minimally.
Question 5 of 5
What is the role of the germinal centers in lymph nodes?
Correct Answer: B
Rationale: Germinal centers produce lymphocytes; blood filtering is spleen, lymph storage is minimal, debris is macrophages.