ATI RN
Lymphatic System Exam Questions Questions 
            
        Question 1 of 5
What is a superantigen?
Correct Answer: D
Rationale: Superantigens nonspecifically overactivate T cells; not specific or enhancing .
Question 2 of 5
Which of the following possess Class II MHC antigens?
Correct Answer: A
Rationale: Antigen-presenting cells (e.g., macrophages) express MHC-II, not erythrocytes or muscle cells.
Question 3 of 5
Lymphocytes are of two types, they are
Correct Answer: D
Rationale: Lymphocytes include T and B cells, key to adaptive immunity, not erythrocytes or platelets.
Question 4 of 5
Lymphatic vessels are responsible for absorbing dietary fats from which organ?
Correct Answer: B
Rationale: Lymphatic vessels (lacteals) in the small intestine absorb dietary fats.
Question 5 of 5
The lymphatic system plays a significant role in maintaining tissue fluid balance. This function helps prevent:
Correct Answer: B
Rationale: Returning fluid prevents edema (swelling) from fluid buildup.
