Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 21, Problem 16RQ
Why is clonal expansion so important?
- to select for specific cells
- to secrete cytokines
- to kill target cells
- to increase the numbers of specific cells
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Chapter 21 Solutions
Anatomy & Physiology
Ch. 21 - Visit this website...Ch. 21 - Visit this website...Ch. 21 - Visit this website...Ch. 21 - Immunity can be acquired in an active or passive...Ch. 21 - Which of the following cells is phagocytic? plasma...Ch. 21 - Which structure allows lymph from the lower right...Ch. 21 - Which of the following cells is important hi the...Ch. 21 - Which of the following cells would be most active...Ch. 21 - Which of the lymphoid nodules is most likely to...Ch. 21 - Which of the following signs is not characteristic...
Ch. 21 - Which of the following is not important in the...Ch. 21 - Enhanced phagocytosis of a cell by the binding of...Ch. 21 - Which of the following leads to the redness of...Ch. 21 - T cells that secrete cytokines that help antibody...Ch. 21 - The taking in of antigen and digesting it for...Ch. 21 - Why is clonal expansion so important? to select...Ch. 21 - The elimination of self-reactive thymocytes is...Ch. 21 - Which type of T cell is most effective against...Ch. 21 - Removing functionality from a B cell without...Ch. 21 - Which class of antibody crosses the placenta in...Ch. 21 - Which class of antibody has no known function...Ch. 21 - When does class switching occur? primary response...Ch. 21 - Which class of antibody is found in mucus? IgM IgA...Ch. 21 - Which enzymes in macrophages are important for...Ch. 21 - What type of chronic lung disease is caused by a...Ch. 21 - Which type of immune response is most directly...Ch. 21 - What is the reason that you have to be immunized...Ch. 21 - Which type of immune response works in conceit...Ch. 21 - Which type of hypersensitivity involves soluble...Ch. 21 - What causes the delay in delayed hypersensitivity?...Ch. 21 - Which of the following is a critical feature of...Ch. 21 - Which of the following is an autoimmune disease of...Ch. 21 - What drug is used to counteract the effects of...Ch. 21 - Which of the following terms means many genes?...Ch. 21 - Why do we have natural antibodies? We dont know...Ch. 21 - Which type of cancer is associated with HIV...Ch. 21 - How does cyclosporine A work? suppresses...Ch. 21 - What disease is associated with bone marrow...Ch. 21 - Describe the flow of lymph from its origins in...Ch. 21 - Describe the process of inflammation in an area...Ch. 21 - Describe two early induced responses and what...Ch. 21 - Describe the processing and presentation of an...Ch. 21 - Describe clonal selection and expansion.Ch. 21 - Describe how secondary B cell responses are...Ch. 21 - Describe the role of IgM in immunity.Ch. 21 - Describe how seroconversion works in HIV disease.Ch. 21 - Describe tuberculosis and the innocent bystander...Ch. 21 - Describe anaphylactic shock in someone sensitive...Ch. 21 - Describe rheumatic fever and how Tolerance is...Ch. 21 - Describe how stress affects immune responses.
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Similar questions
- Which type of T cell is most important in both cellular and humoral immunity? Why?arrow_forwardWhat is the difference between innate immunity and adaptive immunity?arrow_forwardFigure 42.11 Which of the following statements about T cells is false? Helper T cells release cytokines while cytotoxic T cells kill the infected cell. Helper T cells are CD4+, while cytotoxic T cells are CD8+. MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only. The T cell receptor is found on both CD4+ and CD8+ T cells.arrow_forward
- Match the immune cell with its main function. ___dendritic cell a. professional phagocyte ___B cell b. antigen-presenter ___helper T cell c. activates other lymphocytes ___NK cell d. makes antibodies ___macrophage e. kills ailing body cells that lack MHC markersarrow_forwardRemoving functionality from a B cell without killing it is called ________. clonal selection clonal expansion clonal deletion clonal anergyarrow_forwardWhen referring to immunity, what does the term innate imply? the mechanism will develop based upon exposure to specific pathogens the mechanism will be built-in and present at birth the mechanism will be acquired over an individual's lifetime the mechanism will provide defense against many different types of pathogensarrow_forward
- why is clonal deletion so important? how does it differ from clonal selection?arrow_forwardWhich of the following statements is NOT correct? Group of answer choices -Natural killer cells are cytolytic lymphocytes that mediate ADCC -Neutrophils carry out phagocytosis of C3b-tagged particles -Macrophages carry out phagocytosis of C3b-tagged particles -Mast cells produce granules containing the cytotoxin perforin -B lymphocytes express a receptor for complement proteinsarrow_forwardThe diagram shows a pathogen (in red) that is present in different cellular compartments of each of the cell types shown. In each case, a specific T cell subset will recognize peptides of that pathogen presented on MHC molecules on the surface of the cell, and will execute its effector function. From the list below, match the appropriate T cell effector response to the cell type and location of the pathogen. CD4 T cell killing of target cell CD8 T cell killing of target cell CD4 T cell activation of target cell’s antibody production CD8 T cell activation of target cell’s antibody production CD4 T cell activation of target cell’s ability to kill intracellular pathogen CD8 T cell activation of target cell’s ability to kill intracellular pathogenarrow_forward
- What is meant by clonal selection?arrow_forwardThe mechanism of cross-presentation by dendritic cells is an essential pathway for generating CD8 T cell responses to some intracellular pathogens. If this pathway did not exist, we would be highly susceptible to: Intracellular pathogens that can survive inside macrophage endocytic vesicles Intracellular pathogens that are able to evade antibody responses Intracellular pathogens that do not infect and replicate in dendritic cells Intracellular pathogens that can spread from cell to cell by inducing cell fusion Intracellular pathogens that infect and replicate in red blood cellsarrow_forwardB cell engulfs pathogen antigen phagocyte engulfs pathogen B cell becomes activates B cell activates T cell antigen-presenting cell antigen- presenting B cell T cell activated T cell gives rise to gives rise to activated memory activated memory T cell T cell B cell B cell diagram 1 diagram 2arrow_forward
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