ATI RN
Lymphatic System and Immunity Test Questions Questions
Question 1 of 5
The lymphatic system helps prevent the buildup of excess interstitial fluid by:
Correct Answer: D
Rationale: It returns excess fluid to the bloodstream, preventing edema.
Question 2 of 5
The chemical produced by injured cells and mast cells that promotes inflammation is:
Correct Answer: B
Rationale: Histamine from mast cells drives inflammation.
Question 3 of 5
Jimmy got the chicken pox when he was six years old. What type of immunity does he have?
Correct Answer: A
Rationale: Recovering from chickenpox gives natural active immunity.
Question 4 of 5
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 5 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 .