ATI RN
Lymphatic System Quiz Questions Questions
Question 1 of 5
The antigen-binding site of an antibody molecule is contained in the
Correct Answer: D
Rationale: The variable regions of heavy and light chains form the antigen-binding site.
Question 2 of 5
The thoracic duct is a major lymphatic vessel responsible for draining lymph from the lower half of the body and the left upper limb. Where does it empty into the circulatory system?
Correct Answer: B
Rationale: The thoracic duct empties into the left subclavian vein.
Question 3 of 5
The lymphatic system serves as a route for:
Correct Answer: D
Rationale: It returns leaked proteins to the bloodstream, maintaining plasma composition.
Question 4 of 5
Which of the following is NOT true of red bone marrow structure and function?
Correct Answer: A
Rationale: Not all adult bones have active red marrow; it's limited to flat bones.
Question 5 of 5
Antibodies are produced by
Correct Answer: B
Rationale: Plasma cells produce antibodies.