Nester's Microbiology: A Human Perspective
9th Edition
ISBN: 9781259709999
Author: Denise G. Anderson Lecturer, Sarah Salm, Deborah Allen
Publisher: McGraw-Hill Education
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Chapter 17, Problem 10MC
Summary Introduction
Introduction:
Hypersensitivity is exaggerated response generated by the immune system of body that results in damage to the body tissue. Hypersensitivity is divided into following four groups based on timings and mechanisms of response: TypesI, II, III, and IV hypersensitivity. B cells (bone marrow cells) provide humoral immunity and are related to the antibodies.
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Chapter 17 Solutions
Nester's Microbiology: A Human Perspective
Ch. 17 - Prob. 1SACh. 17 -
2. List two physical responses of systemic...Ch. 17 - What are the major differences between an...Ch. 17 - Compare and contrast the Arthus reaction and serum...Ch. 17 - Prob. 5SACh. 17 - Compare and contrast the autoimmune processes...Ch. 17 -
7. Give an example of an organ-specific...Ch. 17 - Explain why a patient who received a successful...Ch. 17 - Why does an IgA deficiency predispose a person to...Ch. 17 - What is the difference between a primary...
Ch. 17 - Prob. 1MCCh. 17 - Prob. 2MCCh. 17 - Prob. 3MCCh. 17 - Prob. 4MCCh. 17 - Delayed-type hypersensitivity reactions in the...Ch. 17 - Prob. 6MCCh. 17 - Prob. 7MCCh. 17 - Prob. 8MCCh. 17 - Prob. 9MCCh. 17 - Prob. 10MCCh. 17 - Jack and Jill were badly burned in an accident at...Ch. 17 - Horse serum containing specific antibody to snake...Ch. 17 - Hypersensitivity reactions, by definition, lead to...Ch. 17 - Prob. 2CT
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- What is the difference between an allergy and an autoimmune response?arrow_forwardWhich of the following is a critical feature of immediate hypersensitivity? inflammation cytotoxic T cells recruitment of immune cells histamine releasearrow_forwardAll of the following are true of some or all complement proteins except _____. a. they are soluble and bind to pathogen surfaces b. they participate only in innate immunity c. they are present in extracellular fluids, blood, and lymph d. they facilitate the phagocytosis of pathogens e. they are made as zymogens.arrow_forward
- Which of the following is TRUE regarding Gram negative bacteria? a- Their cell wall is composed of a large proportion of sugars b- Their cell wall does not absorb the Gram stain and turns pink c- Their cell wall is composed of a small proportion of peptidoglycan d- Two of the above statements are true Which T-lymphocytes activate the B-cell response? 1- suppressor T-cells. 2- cytotoxic T-cells. 3- helper T-cells. 4- memory T-cells. Substances that are injected containing an antigen to stimulate the immune system to respond are called a- antibodies b- medications. c- vaccines d- antibioticsarrow_forwardHow can an extracellular bacterium and an intracellular virus independently be targeted by a particular T cell response? And what is the mechanism of antigen presentation?arrow_forwardWhat would cause someone to be immunocompromised? How does this compromised state alter its ability to neutralize antigens? Why would we medically induce this state?arrow_forward
- If a given B cell produces only one type of antibody, how do organisms produce a great diversity of antibodies?arrow_forwardCompare and contrast type I and type IV hypersensitivity as to mechanism, symptoms, eliciting factors, and allergens.arrow_forwardIn addition to cells infected by microbes, what other types of target cells are attacked by cytotoxic T cells?arrow_forward
- There are five major classes of antibodies. Complete the three below.arrow_forwardWhat is Cytotoxic Hypersensitivity?arrow_forwardWhich of these statements about complement proteins C3a and C5a is false?a. They are released during the complement fixation process.b. They stimulate chemotaxis of phagocytic cells.c. They promote the activity of phagocytic cells.d.They produce pores in the victim plasma membrane.arrow_forward
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