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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 17RQ
The elimination of self-reactive thymocytes is called ________.
- positive selection.
- negative selection
- tolerance.
- clonal selection.
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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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- The natural tendency of immune systems to lose their effectiveness in older people is called ___. It is not a disease by itself, but allows illness to occur more often with slower recovery. immunosuppression tetany anergy eulogyarrow_forwardThe___________ act as intracellular signals to begin the immune response. cytokines macrophagesarrow_forwardNatural killer cells are part of ______________ immunity. adaptive innatearrow_forward
- The type of immunity which has long lasting effect but has the risk of dying from the disease is __ natural active natural passive artificial active artificial passivearrow_forwardYour innate immune system provides very quick, but non-specific responses to pathogens, while your adaptive immune response does the opposite. Question 9 options: True Falsearrow_forwardThe Immune System Match the term to the definition. NOTE: If you want to change your selection, you'll need to delete the one you already chose. After you delete it, the list of choices will pop back up and you can make a different choice. The most specialized type of immune response. | The marker on the surface of a pathogen that allows your body to Antibody recognize it as something foreign in your system. The lag phase or period The non-specific response which involves targeting any invaders that are not recognized by your body. Third line of defense of the immune system Antigen Specialized proteins that target specific markers on the surface of a pathogen to facilitate the process of eliminating a pathogen. First line of defense of the immune system Second line of defense of the immune system The barriers that prevent a pathogen from entering. The time it takes for the full body response to be triggered between the detection of the antigen and the production of antibodies.arrow_forward
- Some immune systems fail to work effectively so the person is less protected than others. This type of disease or medically induced condition is called ___. atelectasis anergy protein deficiency immunosuppressionarrow_forwardPhagocytes transmit information to the lymphocytes B cells and helper T cells produce special protein called_____________ antibodies blood leukocytes long-term macrophagesarrow_forwardWhich of the following is a protein involved with the innate immune response? eosinophil Immunoglobulin M fibrin lysozymearrow_forward
- Question 1: List or draw an overview of the innate immune system listing all components. Question 2: List or draw an overview of the adaptive immune system listing all components.arrow_forwardA _______ response is when the immune system responds faster upon second encounter with an antigen.arrow_forwardWhich one of the following statements regarding our innate immune system is false? Question 15 options: The normal flora takes up space so that pathogenic microbes can't grow. The skin prevents entry of microbes into the body. Coughing speeds up the ciliary escalator, while smoking can destroy it. Phagocytosis destroys microbes that have escaped our physical and chemical barriers. Macrophages create antibodies against specific microbes.arrow_forward
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