ATI RN
Lymphatic System Questions and Answers PDF Questions
Question 1 of 5
Which immunoglobulin is least abundant in blood?
Correct Answer: C
Rationale: IgE is least abundant; IgG is most, IgA is in secretions, IgD is on B cells.
Question 2 of 5
Which immunoglobulin is involved in type I hypersensitivity?
Correct Answer: C
Rationale: IgE drives type I hypersensitivity; IgA is mucosal, IgD is on B cells, IgG is blood.
Question 3 of 5
With regard to the superficial cortex of the lymph node: It is the site of T-lymphocyte education.
Correct Answer: B
Rationale: T-lymphocyte education occurs in the thymus; the cortex of lymph nodes is more for B-cell activity.
Question 4 of 5
The thoracic duct of the lymphatic system pours its contents into the
Correct Answer: B
Rationale: The thoracic duct empties lymph into the left subclavian vein, returning it to the bloodstream.
Question 5 of 5
is lined by endothelium, macrophage.
Correct Answer: D
Rationale: All lymphatic sinuses (trabecular, medullary, subcapsular) are lined by endothelium and macrophages.