513301
Description
Flashcards by thomasina413, updated more than 1 year ago
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Created by thomasina413
over 10 years ago
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| Question | Answer |
| ____________ are responsible for the production of antibody against free pathogens and soluble products from pathogens while ____________ destroy pathogen and virally infected cells and abnormal cells. | B cells, cytotoxic T cells Antibody produced by B cells complexes free pathogen and soluble products from pathogens to help remove the threat. Cytotoxic T cells remove infected or damaged cells. |
| The significance of the major histocompatibility complex (MHC) in the immune response: A. Serves to minimize autoimmunity or “self-reactivity” of the immune system B. Serves to present fragments of antigens to T cells C. Used by helper T cells to regulate the expansion of antibody producing B cells D. All of the above | D. All of the above MHC proteins complex with antigen fragments on the surface of antigen presenting cells. This allows the helper T cell to recognize the antigen and stimulate B cells and cytotoxic T cells to launch an immune response. |
| The lack of an immune response to self is called: A. Autoimmunity B. Tolerance | B. Tolerance Tolerance is the “opposite” of autoimmunity. Autoimmunity is an immune response to self, and tolerance is the lack of that response. |
| Humoral branch, cell-mediated branch, or both: Involves B cells | Humoral branch |
| Humoral branch, cell-mediated branch, or both: Involves T cells | cell-mediated branch |
| Humoral branch, cell-mediated branch, or both: Responds to extracellular bacterial infection | Humoral branch and cell-mediated branch |
| Humoral branch, cell-mediated branch, or both: Involves secreted antibody | Humoral branch |
| Humoral branch, cell-mediated branch, or both: Kills virus-infected self cells | cell-mediated branch |
| Innate immunity or adaptive immunity: Is the first to engage upon initial encounter/ antigen | Innate immunity |
| Innate immunity or adaptive immunity: Is the most pathogen specific | adaptive immunity |
| Innate immunity or adaptive immunity: Employs T and B lymphocytes | adaptive immunity |
| Innate immunity or adaptive immunity: Adapts during the response | adaptive immunity |
| Innate immunity or adaptive immunity: Responds identically during the first & second exposure to the same antigen | Innate immunity |
| Innate immunity or adaptive immunity: Responds more effectively during a subsequent exposure | adaptive immunity |
| Innate immunity or adaptive immunity: Includes a memory component | adaptive immunity |
| Innate immunity or adaptive immunity: Is the target of vaccination | adaptive immunity |
| Innate immunity or adaptive immunity: Can involve the use of PAMP receptors | Innate immunity |
| Innate immunity or adaptive immunity: Involves antigen-specific receptors binding to pathogens | adaptive immunity |
| Innate immunity or adaptive immunity: Can be mediated by antibodies | adaptive immunity |
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