ATI RN
Lymphatic System Questions Questions
Question 1 of 5
Which cytokine attracts neutrophils to infection sites?
Correct Answer: C
Rationale: IL-8 is a neutrophil chemoattractant; IL-2 boosts T cells, IL-6 aids B cells, TNF-alpha inflames.
Question 2 of 5
Which cells are key to innate barrier defense?
Correct Answer: B
Rationale: Keratinocytes form skin barriers; lymphocytes , T , and B cells are adaptive.
Question 3 of 5
White pulp of spleen: Is contained within a reticular meshwork.
Correct Answer: A
Rationale: White pulp is supported by a reticular meshwork of cells and fibers.
Question 4 of 5
Where is the thymus gland located?
Correct Answer: B
Rationale: The thymus gland is located in the upper part of the mediastinum, anterior to the heart and behind the sternum.
Question 5 of 5
Post Capillary venule is lined by epithelium
Correct Answer: B
Rationale: Post-capillary venules in lymph nodes are lined by high (cuboidal) endothelium, not squamous or columnar.