ATI RN
Lymphatic System and Immunity Test Questions Questions
Question 1 of 5
Concerning the mechanisms of autoimmune disease
Correct Answer: D
Rationale: Molecular mimicry contributes; genes are unclear , MHC presents self , and infections are common .
Question 2 of 5
Which structure connects lymph nodes in a chain?
Correct Answer: A
Rationale: Lymphatic vessels link nodes; blood vessels and nerves don't, and ducts are larger.
Question 3 of 5
The lymphatic system contributes to immunity by:
Correct Answer: B
Rationale: It transports lymphocytes for immunity; oxygen is blood, digestion is macrophages, glucose is liver.
Question 4 of 5
The thymus produces which hormone?
Correct Answer: B
Rationale: Thymosin from the thymus aids T cell maturation; insulin is pancreas, adrenaline is adrenal, cortisol is adrenal.
Question 5 of 5
Which lymphoid organ is most involved in pathogen trapping?
Correct Answer: C
Rationale: Lymph nodes trap pathogens; spleen filters blood, thymus matures T cells, appendix is minor.