ATI RN
PAL Histology Lymphatic System Lab Practical Question 1 Questions
Question 1 of 5
What is the primary function of the lymphatic system?
Correct Answer: B
Rationale: The lymphatic system returns excess fluid from tissues to the bloodstream; oxygen transport is by blood, fat digestion involves the digestive system, and RBC production occurs in bone marrow.
Question 2 of 5
Which structure collects lymph from the legs?
Correct Answer: C
Rationale: Cisterna chyli collects leg lymph before the thoracic duct ; right duct is upper body, nodes filter.
Question 3 of 5
Which structure is NOT part of the lymphatic drainage system?
Correct Answer: C
Rationale: The spleen filters blood, not lymph; nodes , thoracic duct , and cisterna chyli handle lymph.
Question 4 of 5
What is the primary function of the thoracic duct?
Correct Answer: B
Rationale: The thoracic duct drains lymph into blood; filtering is nodes, producing is marrow, storing is minimal.
Question 5 of 5
What is the primary function of lymph node sinuses?
Correct Answer: B
Rationale: Sinuses filter lymph; production is capillaries, storage is cortex, RBCs are spleen.