Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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With the aid of a hand drawn diagram, briefly explain how T cells are primed or activated by B cells. In your response, briefly outline the major differences between B and T cell activation
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- CHAPTER 20 The Lymphatic System and Immunity Matching SECTION 3 Revie w Match each lettered term with the most closely related description. a. opsonization 1 b. helper T cells Two parallel pairs of polypeptide chains Found on helper T cells C. antibody d. class II MHC 3 Active and passive 4 Transfer of antibodies e. costimulation Attacked by HIV f. IgM 6 Enhances phagocytosis g. class I MHC h. IgG 7 MHC proteins present in the plasma membranes of all nucleated cells i. passive immunity j. anaphylaxis 8 Differentiate into memory and plasma cells 9 MHC proteins present in the plasma membranes of all APCS and lymphocytes 9 k. CD4 markers 10 I. acquired immunity 10 Antibodies used to determine blood type 11 m. B lymphocytes 11 Secondary binding process required for T cell activation 12 12 Accounts for 80 percent of all immunoglobulins 13 13 Circulating allergen stimulates mast cells throughout body Match each lettered term with thearrow_forwardTrue or False: When a B cell’s antibody interacts with an epitope on the surface of the bacterium, the B cell secretes a toxin that kills the bacterium?arrow_forwardsimple and direct answer please In the process shown in Diagram 2, what performs the function most similar to that of the activated T cell in Diagram 1?arrow_forward
- Which type of T cell is most effective against viruses?a. Th1b. Th2c. cytotoxic T cellsd. regulatory T cellsarrow_forwardWhat is meant by “adaptive immunity”? A vaccination is an example of adaptive immunity? Explain how this works. Please describe this in much detail pleasearrow_forwardKiller T-cells help protect us from viral infections. Explain the mechanism of their action.arrow_forward
- During fetal development, T and B lymphocytes undergo a process that prepares them to react only to one specific antigen. This process creates a library of naive T cells and B cells each with a unique T cell receptor and antibody, respectively. Describe briefly how this array of receptors are created. Be concise in your answer. No more than three sentences.arrow_forwardMatch the class of antibody with its appropriate structure/function. 1st choice This dimeric antibody is responsible for localized protection on mucosal surfaces. 2nd choice This monomeric antibody functions is mediating the allergic response. 3rd choice This monomeric antibody presence on B cells functions in initiation of the immune response. 4th choice This monomeric antibody enhances phagocytosis, neutralizes toxins and viruses, and protects fetus and newborn. 5th choice This pentameric antibody is especially effective against microorganisms; first antibodies produced in response to initial infection. IgM| IgD IgE IgA IgG > >arrow_forwardCompare and contrast T and B cellsarrow_forward
- The zone of contact between the T cell and a pathogen-infected cell is called a(n) Select one: a. immunoreceptor tyrosine-based activation motif (ITAM) b. polarization C. cross-presentation center d. granuloma e. immunological synapsearrow_forwardWhat type of B cell would interact with a T cell and what would result from the interactionarrow_forwardTrue/False: B-cell receptors and T-cell receptors share a mechanism for generating diversity, and also share overall structural homology both in their V domains and their C domains. This is because the two proteins have nearly identical functions in the immune responses mediated by their respective cell types.arrow_forward
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