21. The Immune System
Antigens
21. The Immune System
Antigens
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- Multiple ChoiceA nonself substance that can provoke an immune response is called a(n) __________.
- Open QuestionWhat are the three classes of lymphocytes, and where does each class originate?
- Open QuestionA decrease in which population of lymphocytes would impair all aspects of an immune response? (a) cytotoxic T cells, (b) helper T cells, (c) regulatory T cells, (d) B cells, (e) plasma cells.
- Open QuestionPerforins are proteins associated with the activity of (a) T cells, (b) B cells, (c) NK cells, (d) plasma cells.
- Open QuestionSmall molecules that must combine with large proteins to become immunogenic are calleda. complete antigens,b. kinins,c. antigenic determinants,d. haptens.
- Multiple ChoiceLymphocytes that develop immunocompetence in the thymus are __________.
- Multiple Choice
Which of the following cell types are antigen-presenting cells (APCs).
1. Macrophages 2. Neutrophils 3. B cells 4. T cells 5.Plasma Cells
- Multiple ChoiceToll-like receptors are found on __________.