ATI RN
Lymphatic System Test Questions Questions 
            
        Question 1 of 5
The immunoglobulin that is associated with allergic reactions:
Correct Answer: C
Rationale: IgE mediates allergies via mast cells; IgA , IgD , IgG , and IgM have other roles.
Question 2 of 5
The thoracic duct empties lymph into which vein?
Correct Answer: A
Rationale: The thoracic duct empties into the left subclavian vein ; jugular and vena cava are nearby but not direct, and aorta is an artery.
Question 3 of 5
Which protein is notably lower in lymph than in blood plasma?
Correct Answer: C
Rationale: Fibrinogen is lower in lymph; albumin and globulin are present, hemoglobin is in RBCs.
Question 4 of 5
What is the primary fate of lymph after filtration?
Correct Answer: A
Rationale: Lymph is returned to blood via ducts; not excreted , stored , or recycled .
Question 5 of 5
Which lymphatic structure is located in the pharynx?
Correct Answer: B
Rationale: Pharyngeal tonsils are in the pharynx; palatine and lingual are throat/tongue, Peyer's are gut.
