ATI RN
Immune System Questions Questions
Question 1 of 5
The part of an antigen that is recognized by an antibody or T cell receptor:
Correct Answer: C
Rationale: Epitope is the recognized antigen part; allotype is allelic variation, idiotype is antibody uniqueness, isotype is class, and agretype is not a term.
Question 2 of 5
Which of the following is NOT a lymphoid organ?
Correct Answer: C
Rationale: The pancreas is digestive/endocrine, not lymphoid; spleen , thymus , and lymph nodes are lymphoid.
Question 3 of 5
The spleen's role in immunity primarily involves:
Correct Answer: B
Rationale: The spleen filters blood for pathogens; T cells mature in thymus , lymph is from nodes, and fluid isn't stored.
Question 4 of 5
Which lymphatic structure is found in the mediastinum?
Correct Answer: B
Rationale: The thymus is in the mediastinum; spleen is abdominal, tonsils are throat, appendix is gut.
Question 5 of 5
What is the consequence of lymphatic vessel blockage?
Correct Answer: B
Rationale: Lymphedema results from blockage; pressure is circulatory, lymphoma is cancer, lymphadenitis is inflammation.