EBK BIOLOGY
5th Edition
ISBN: 8220100667978
Author: Maier
Publisher: PEARSON
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Textbook Question
Chapter 20, Problem 3AAATB
Why is your immune system usually more effective at fighting off infection the second time you are exposed to a pathogen?
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- How does humoral immune system works when our body is infected?arrow_forwardWhich of the following statements is true of acquired immunity? It does not involve experience and its forms include phagocytosis and inflammation. Acquired immune responses take longer to initiate than natural immune responses. An effective immune response occurs even before prior exposure to a particular antigen. It consists of a number of inborn processes that help remove foreign substances from the body.arrow_forwardOne of the following doesn't cause inflammations and so doesn't induce immune response of the body. * O necrosis apoptosis pathogen entry to the body bacterial infection viral infection O O Oarrow_forward
- Which of the following is NOT one of the major functions of T lymphocytes (T cells)? activating the immune system binding to antigens presented by MHC proteins production of antibodies forming memory cells to more rapidly respond to future infections by the same pathogen attacking our own cells that are infected with a virus or cancerousarrow_forwardDuring the innate immunity response, which of the following pathogen types would you expect to be treated more similarly: helminths and viruses or extracellular bacteria and fungi? Why?arrow_forwardThe correct order of words to describe how innate immune response responds to a pathogen that has gotten by the physical and chemical barriers is: À) Skin, Saliva, Cytokines, Macrophage B)Macrophage, Cytokines, Neutrophil, Natural Killer Cell C) Neutrophil, Cytokines, Killer T Cell, Antibodies D) Antigen, Macrophage, B Cell, Killer T Cellarrow_forward
- What are the functions of the complement system in the immune system? Why is the complement system unable to destroy viruses?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_forwardIn an immune response, what is the main function of the circulatory system? to produce inflammation and activate B cells to send chemical signals and transport immune cells to stimulate infected cells and release interferons to trap pathogens and attract phagocytesarrow_forward
- Which of the following types of immunity is responsible for preventing pathogens from entering the cell? antibody-mediated (Humoral) immunity OOOO sarcoplasmic immunity pathogenic immunity cell-mediated immunityarrow_forwardWhat does the Immune system do for the body?arrow_forwardIs immune tolerance good or bad?why?arrow_forward
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Infection Prevention and Control; Author: thecityoftoronto;https://www.youtube.com/watch?v=jx9sRYmBW3Q;License: Standard Youtube License