ATI RN
Chapter 20 The Lymphatic System and Immunity Sample Questions Questions
Question 1 of 5
What is the primary function of the lymph nodes in the lymphatic system?
Correct Answer: B
Rationale: Lymph nodes filter lymph and initiate immune responses.
Question 2 of 5
Describe the flow of lymph beginning with lymph formation.
Correct Answer: B
Rationale: Lymph forms from tissue fluid entering lymphatic capillaries, then flows through vessels, ducts, and into veins.
Question 3 of 5
The development of holes in bacterial plasma membranes is caused by
Correct Answer: B
Rationale: Complement proteins form pores (MAC) in bacterial membranes.
Question 4 of 5
What will stimulate active immunity?
Correct Answer: C
Rationale: Active immunity arises from pathogen infection or vaccination.
Question 5 of 5
Which lymphatic organ's major job is to destroy worn-out red blood cells and return some of the products to the liver:
Correct Answer: B
Rationale: Spleen destroys old RBCs and recycles products; tonsils protect the throat, thymus matures T cells, appendix and Peyer's are immune-related but not RBC-focused.