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Immune System and Answer

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Immune System and Answer
5) The lymphatic system involves which of the following organs?
E) A, B, and
Answer E
7) In the inflammatory response, the absence of which of the following would prevent all the others from happening?
D) release of histamine
Answer: D
10) Inflammatory responses may include all of the following except
C) reduced permeability of blood vessels to conserve plasma.
Answer: C
12) A bacterium entering the body through a small cut in the skin will do which of the following?
E) activate a group of proteins called complement
Answer: E
15) What are antigens?
D) foreign molecules that trigger the generation of antibodies
Answer: D
21) When would B cells produce effector cells?
A) between 0 and 7 days
Answer: A

22) When would memory cells be produced?
E) both A and C
Answer: E
27) The MHC is important in
E) both A and D
Answer: E
29) In which of the following situations will helper T cells be activated?
A) when an antigen is displayed by a dendritic cell
Answer: A
A. cytotoxic T cells
B. natural killer cells
C. helper T cells
D. macrophages
E. B cells
31) These cells are involved in cell-mediated immunity and destroy virally infected cells.
Answer: A
Topic: Concept 43.3
Skill: Knowledge
32) These cells have a function that is similar to the function of dendritic cells.
Answer: D
Topic: Concept 43.3
Skill: Knowledge
33) These cells are involved in cell-mediated immunity, and they respond to class I MHC molecule-antigen complexes.
Answer: A
Topic: Concept 43.3
Skill: Knowledge
34) These cells are involved in innate immunity, and a person lacking these cells may have a higher than normal chance of developing malignant tumors.
Answer: B
36) Which of the following is a pathway that would lead to the activation of cytotoxic T cells?
B) body cell becomes infected with a virus → synthesis of new viral proteins → class I MHC molecule-antigen complex displayed on cell surface
Answer: B
38)

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