Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Chapter 16, Problem 14TF
Summary Introduction
Introduction:
The term anaphylaxis was used to denote a reaction, in which animals are injected with a foreign protein. Although the animals showed no response against the first contact, the treatment with the same protein for the second time, they exhibited symptoms such as itching, sneezing, difficulty in breathing, convulsions, and prostration and sometimes it may lead them to death within few minutes.
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Chemotaxis is the attraction of neutrophils to a region of inflammation, which is mediated by chenical signals in the inflammatory process. False False False False False False Fal
Type II hypersensitivities are due toa. IgE reacting with mast cellsb. activation of cytotoxic T cellsc. IgG-allergen complexes that clog epithelial tissuesd. complement-induced lysis of cells in the presence of antibodies
Type I (immediate) hypersensitivity
A. is mediated by IgE
B. is mediated by T lymphocytes
C. both is mediated by IgE and involves degranulation of mast cells
D. involves degranulation of mast cells
Chapter 16 Solutions
Microbiology: A Systems Approach
Ch. 16.1 - Define immunopathology, and describe the two major...Ch. 16.1 - Prob. 2AYPCh. 16.2 - Prob. 3AYPCh. 16.2 - Outline the steps of a type I allergic response,...Ch. 16.2 - Identify three conditions caused by IgE-mediated...Ch. 16.2 - Prob. 6AYPCh. 16.2 - Prob. 7AYPCh. 16.2 - Prob. 8AYPCh. 16.3 - List the three immune components causing cell...Ch. 16.3 - Prob. 10AYP
Ch. 16.3 - Prob. 11AYPCh. 16.4 - Prob. 12AYPCh. 16.4 - Prob. 13AYPCh. 16.5 - Prob. 14AYPCh. 16.5 - List four classes of grafts, and explain how host...Ch. 16.6 - Prob. 16AYPCh. 16.6 - Prob. 17AYPCh. 16.7 - Prob. 18AYPCh. 16.7 - Prob. 19AYPCh. 16.7 - Prob. 20AYPCh. 16 - Prob. 1MCQCh. 16 - Prob. 2MCQCh. 16 - The contact with allergen that results in symptoms...Ch. 16 - Prob. 4MCQCh. 16 - Prob. 5MCQCh. 16 - Prob. 6MCQCh. 16 - Prob. 7MCQCh. 16 - Prob. 8MCQCh. 16 - Prob. 9MCQCh. 16 - Prob. 10MCQCh. 16 - Prob. 11TFCh. 16 - Prob. 12TFCh. 16 - Prob. 13TFCh. 16 - Prob. 14TFCh. 16 - Prob. 15TFCh. 16 - Prob. 1CTQCh. 16 - Summarize the roles of the microbiome and genetics...Ch. 16 - Prob. 3CTQCh. 16 - Prob. 4CTQCh. 16 - Prob. 5CTQCh. 16 - From chapter 15. figure 15.1. How would a persons...Ch. 16 - Prob. 2VCCh. 16 - Prob. 1CM
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- The ability to develop a secondary immune response is based on ______. a. memory cells b. circulating antibodies c. plasma cells d. effector cytotoxic T cells e. mast cellsarrow_forwardTrue or False: In non-disseminated infections, Mycobacterium species are restrained by type-1 responses which increase macrophage phagocytic activity, NK and T cell activation. True or False: The low-affinity Fcε receptor (FcεRII/CD23) on mast cells will bind to IgE in tissues in the absence of antigen.arrow_forwardAll of the following are functions of antibodies except a. neutralization of pathogen. b. destruction of antigen. c. agglutination of antigen. d. opsonization.arrow_forward
- Enhanced phagocytosis of a cell by the binding of aspecific protein is called ________.a. endocytosisb. opsonizationc. anaphylaxisd. complement activationarrow_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_forwardallergic asthma is an example of type 1 hypersensitivity, what are the major characteristics of this type of hypersensitivity reaction?arrow_forward
- Pus is both a sign of infection and an indicator ofimmune defenses in action. Explain.arrow_forwardPrevention of rabies in humans involves passive immunity and active immunity. True or Falsearrow_forwardthe condition aplastic anemia is characterized by complete failure of the bone marrow to produce formed elements of the blood due to damaged hematopoietic stem cells. Explain how aplastic anemia would affect the inmune responsearrow_forward
- Complement is an integral part of the innate immune response to bacteria . One of its mechanisms of action is to behave as an anaphylatoxin Describe the anaphylatoxic effects of complement identifying which components are activated.arrow_forwardThe first exposure of a person to an allergen results in the production of the IgE class of immut surfaces of mast cells and release of which of the following? O A) Calcium O B) Interferon-a and interferon-B O C) Interleukin-6 (IL 6) O D) Leukotriene O E) Substance P.arrow_forwardSubstance P stimulates mast cell H2 receptor to suppress... IL-1 and IL-6 IL-8 and IL-10 IL-12 and TNFalpha IL-10 and TGFbetaarrow_forward
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