ATI RN
Lymphatic System Questions and Answers PDF Questions
Question 1 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 2 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 3 of 5
is lined by endothelium, macrophage.
Correct Answer: D
Rationale: All lymphatic sinuses (trabecular, medullary, subcapsular) are lined by endothelium and macrophages.
Question 4 of 5
tonsil is paired of oval mass of lymph tissue at lateral wall.
Correct Answer: C
Rationale: Palatine tonsils are paired oval masses at the lateral oropharyngeal wall.
Question 5 of 5
Regarding the lymphatic capillaries, choose the correct statement:
Correct Answer: A
Rationale: Lymphatic capillaries are made of a single endothelial layer ; they are more permeable, lack tight junctions, and have no pericytes.