Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Chapter 17, Problem 2A
Why is dietary protein deficiency associated with increased susceptibility to infections?
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Chapter 17 Solutions
Microbiology: An Introduction
Ch. 17 - Contrast the terms in the following pairs: a....Ch. 17 - What does MHC stand for? What is the function of...Ch. 17 - Why is dietary protein deficiency associated with...Ch. 17 - Prob. 4RCh. 17 - Prob. 5RCh. 17 - DRAW IT a. In the graph below, at time A the host...Ch. 17 - How would each of the following prevent infection?...Ch. 17 - Prob. 8RCh. 17 - Explain why a person who recovers from a disease...Ch. 17 - Prob. 10R
Ch. 17 - Prob. 1MCQCh. 17 - The type of protection provided by the injection...Ch. 17 - Prob. 3MCQCh. 17 - Prob. 4MCQCh. 17 - Prob. 5MCQCh. 17 - Prob. 6MCQCh. 17 - Prob. 7MCQCh. 17 - Prob. 8MCQCh. 17 - Prob. 9MCQCh. 17 - Prob. 10MCQCh. 17 - Prob. 1ACh. 17 - Why is dietary protein deficiency associated with...Ch. 17 - A positive tuberculin skin test shows cellular...Ch. 17 - On her vacation to Australia, Janet was bitten by...Ch. 17 - Prob. 1CAECh. 17 - Prob. 2CAECh. 17 - A patient with chronic diarrhea was found to lack...Ch. 17 - Newborns (under 1 year) who contract dengue have a...
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- How Virulence Factors Contribute to Tissue Damage?arrow_forwardOur environment contains masses of microorganisms, many of which reside as commensal organisms on our body’s mucosal and epithelial surfaces without causing disease. What two features distinguish a pathogenic microbe from these commensal microbes?arrow_forwardOpportunistic infections are often the proximal (most direct) cause of death in individuals with immune systems that have been compromised. A) true B) falsearrow_forward
- What is a virulent disease?arrow_forwardTwo periods of acute disease are the periods of illness and period of decline. (a) In what way are both of these periods similar? (b) In terms of quantity of pathogen, in what way are these periods different? (c) What initiates the period of decline?arrow_forwardIs Catalase is a virulence factor?arrow_forward
- Pathogenic infections induce damage to the host by a variety of mechanisms. While many mechanisms are direct effects of the pathogen, some damaging mechanisms result from the immune response to the infection. Examples of damage caused by the host immune response are: a) Exotoxin production, endotoxin b) Cell-mediated inmunity, direct cytopathic effect c) Endotoxin, inmmunune complexes d) Direct cythopathic effect, endotoxin e) Cell-mediated inmunity, inmmunune complexesarrow_forwardThe patient's mother expresses concern about her daughter's fevers.She states that the fevers are a sign that her child is unable to fight this infection.What is a proper response to these concerns? A)It is impossible to determine exactly why she is having these fevers.Doctors call this a fever of unknown origin. B)Fevers are a natural response by the body to help fight infection. C)These fevers are very dangerous,and you have strong reason for concern. D)High fever could be a sign of a tumor of the hypothalamus.arrow_forward40. During a period of 24 hours, a 25-year-old man has an upper respiratory infection with features of the common cold. Which of the following viral or host factors is most critical in the initial establishment of the infection? A) Activation of latent virus within epithelial cells B) Inhibition of inflammatory mediators C) Inhibition of synthesis of IgA antibodies D) Lysis of CD8+ T lymphocytes EDPresence of viral receptor molecules on epithelial cellsarrow_forward
- What is the role of histamine in inflammation? A)Histamine increases the volume of blood flow in the area of the infection. B)All these choices are correct. C)Histamine signals to neutrophils to migrate to the site of infection. D)Histamine makes it easier for neutrophils to move from the bloodstream to the site of infection.arrow_forwardSickle cell 1). how many people does it affect? 2) Is it genetic and if so what chromosome is the mutation on? 3) what are the symptoms? 4) What is the primary body system that is affected? 5) are there other body systems that are also affected? 6) What are the treatment options?arrow_forwardWhich of the following virulence factors among A-D is correctly matched with its definition or characterization? A) O Invasins: pathogen proteins that prevent opsonization of the pathogen B) O Phase variation: allows pathogen to switch between different forms of an extracellular antigen (e.g., flagellum) C) O Protein A. a microbial factor that allows for attachment, typically a surface protein or surface glycoprotein D) O Prevention of lysosome:phagosome fusion mechanism employed by an extracellular pathogen E) OM protein, Opa protein: enzymes that interfere with the functioning of antibodiesarrow_forward
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