ATI RN
Lymphatic System and Immunity Test Questions Questions
Question 1 of 4
The chemical produced by injured cells and mast cells that promotes inflammation is:
Correct Answer: B
Rationale: Histamine from mast cells drives inflammation.
Question 2 of 4
Which one of the following is NOT one of the nonspecific body defenses:
Correct Answer: B
Rationale: Antibody production is specific (adaptive); skin , inflammation , fever , and NK cells are nonspecific (innate).
Question 3 of 4
Concerning the mechanisms of autoimmune disease
Correct Answer: D
Rationale: Molecular mimicry contributes; genes are unclear , MHC presents self , and infections are common .
Question 4 of 4
A T cell receptor recognizes processed antigen; whereas, a B cell receptor recognizes:
Correct Answer: B
Rationale: BCR recognizes conformational antigens ; TCR sees processed peptides , not denatured or linear alone.