ATI RN
PAL Histology Lymphatic System Lab Practical Question 1 Questions
Question 1 of 5
What is the primary function of the thoracic duct?
Correct Answer: B
Rationale: The thoracic duct drains lymph into blood; filtering is nodes, producing is marrow, storing is minimal.
Question 2 of 5
The spleen's white pulp contains:
Correct Answer: B
Rationale: White pulp has lymphocytes; red pulp has RBCs , platelets , and some neutrophils .
Question 3 of 5
What is the term for self-tolerance failure?
Correct Answer: B
Rationale: Autoimmunity is self-tolerance failure; allergy and hypersensitivity are overreactions, immunodeficiency is weakness.
Question 4 of 5
The spleen's white pulp is involved in:
Correct Answer: B
Rationale: White pulp produces antibodies; filtering and RBC removal are red pulp, platelets are stored.
Question 5 of 5
What is the role of memory B cells?
Correct Answer: B
Rationale: Memory B cells enable rapid secondary responses; killing is T cells, phagocytosis is macrophages, presentation is dendritic.