Foundations in Microbiology
9th Edition
ISBN: 9780073522609
Author: Kathleen Park Talaro, Barry Chess Instructor
Publisher: McGraw-Hill Education
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Chapter 13.5, Problem 31CYP
Summary Introduction
Introduction:
An essential aim in the study of infection and disease is determining the precise etiologic, or causative, agent. Koch’s postulates, that established the principal criteria for etiologic studies.
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What is the purpose of Koch’s postulates?
The following are the limitations of Koch's postulates EXCEPT:
A. some pathogens cannot grow on artificial media and therefore cannot be identified as the causative agent
of the disease
B. some diseases involve multiple pathogens which produce similar symptoms making it difficult to pinpoint
the causative agent
C. some diseases are host-specific and re-inoculation may pose ethical concerns
D. some microorganisms are present in the body fluids of the infected animal which make them difficult to be
cultured
Why are Koch’s postulates not sufficient to establish the cause of all infectious diseases?
Chapter 13 Solutions
Foundations in Microbiology
Ch. 13.1 - Describe some of the major interactions between...Ch. 13.1 - Prob. 2ELOCh. 13.1 - Discuss the characteristics of the normal...Ch. 13.1 - Briefly relate the sources and conditions that...Ch. 13.1 - Identify which bodily sites remain free of living...Ch. 13.1 - Prob. 6ELOCh. 13.1 - Prob. 1CYPCh. 13.1 - Prob. 2CYPCh. 13.1 - Prob. 3CYPCh. 13.1 - Prob. 4CYP
Ch. 13.1 - Prob. 5CYPCh. 13.1 - Differentiate between transient and resident...Ch. 13.1 - Explain the factors that cause variations in the...Ch. 13.2 - Review the main stages in the development of an...Ch. 13.2 - Prob. 8ELOCh. 13.2 - Prob. 9ELOCh. 13.2 - Prob. 10ELOCh. 13.2 - Prob. 11ELOCh. 13.2 - Identify and discuss invasive factors and...Ch. 13.2 - Prob. 13ELOCh. 13.2 - Explain several ways in which true pathogens...Ch. 13.2 - Distinguish between pathogenicity and virulence.Ch. 13.2 - Prob. 10CYPCh. 13.2 - Prob. 11CYPCh. 13.2 - Prob. 12CYPCh. 13.2 - Describe several components of pathogens that are...Ch. 13.2 - Prob. 14CYPCh. 13.2 - Prob. 15CYPCh. 13.2 - Define toxigenicity and summarize the main...Ch. 13.2 - Prob. 17CYPCh. 13.3 - Describe the clinical stages of infection.Ch. 13.3 - Use key terms to describe different patterns of...Ch. 13.3 - Prob. 16ELOCh. 13.3 - Prob. 17ELOCh. 13.3 - Explain what is happening during each stage of...Ch. 13.3 - Prob. 19CYPCh. 13.3 - Name some examples of infections and their portals...Ch. 13.3 - 21. Using terminology from this section's “Guide...Ch. 13.4 - Define epidemiology, and summarize the major goals...Ch. 13.4 - Prob. 19ELOCh. 13.4 - Prob. 20ELOCh. 13.4 - Prob. 21ELOCh. 13.4 - Prob. 22ELOCh. 13.4 - Prob. 23ELOCh. 13.4 - Prob. 22CYPCh. 13.4 - Prob. 23CYPCh. 13.4 - Prob. 24CYPCh. 13.4 - Prob. 25CYPCh. 13.4 - Prob. 26CYPCh. 13.4 - What is epidemiologically and medically important...Ch. 13.5 - Prob. 24ELOCh. 13.5 - Prob. 25ELOCh. 13.5 - Summarize the steps in Koch’s postulates, and...Ch. 13.5 - Prob. 27ELOCh. 13.5 - Prob. 28ELOCh. 13.5 - Prob. 28CYPCh. 13.5 - Prob. 29CYPCh. 13.5 - Prob. 30CYPCh. 13.5 - Prob. 31CYPCh. 13.5 - Prob. 32CYPCh. 13.5 - Prob. 33CYPCh. 13.L1 - Prob. 1MCQCh. 13.L1 - Prob. 2MCQCh. 13.L1 - Prob. 3MCQCh. 13.L1 - Prob. 4MCQCh. 13.L1 - Prob. 5MCQCh. 13.L1 - Prob. 6MCQCh. 13.L1 - Prob. 7MCQCh. 13.L1 - The presence of a few bacteria in the blood is...Ch. 13.L1 - Prob. 9MCQCh. 13.L1 - A/an ______ is a passive animal transporter of...Ch. 13.L1 - Prob. 11MCQCh. 13.L1 - Prob. 12MCQCh. 13.L1 - Prob. 13MCQCh. 13.L1 - A positive antibody test for HIV would be a...Ch. 13.L1 - Prob. 15MCQCh. 13.L1 - Prob. 16MCQCh. 13.L1 - Prob. 1CSRCh. 13.L1 - Prob. 2CSRCh. 13.L1 - Prob. 3CSRCh. 13.L1 - Prob. 1WCCh. 13.L1 - Prob. 2WCCh. 13.L1 - Prob. 3WCCh. 13.L1 - Prob. 4WCCh. 13.L1 - Prob. 5WCCh. 13.L1 - Prob. 6WCCh. 13.L1 - Prob. 7WCCh. 13.L1 - a. Outline the five types of clinical isolation....Ch. 13.L2 - Discuss the relationship between the vaginal...Ch. 13.L2 - Prob. 2CTCh. 13.L2 - How could the microbiome cause some infections to...Ch. 13.L2 - Each of the nine patient specimens listed below...Ch. 13.L2 - Prob. 5CTCh. 13.L2 - Prob. 6CTCh. 13.L2 - Prob. 7CTCh. 13.L2 - a. Suggest several reasons why respiratory,...Ch. 13.L2 - Summarize the epidemiological findings in the...Ch. 13.L2 - Looking at figure 13.20b. Which pattern of...Ch. 13.L2 - Prob. 1VCCh. 13.L2 - Observe the following maps (a)-(c) of three...
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- Koch's postulates is useful in describing diseases. True or falsearrow_forwardList the main features of Koch’s postulates and explain why it is sodifficult to prove them for some diseases.arrow_forwardList Koch's postulates and describe how this list supports the Germ Therory of Disease.arrow_forward
- Explain the steps involved in using Koch's postulate to establish the link between a suspected microorganism and disease.arrow_forwardRobert Koch developed a set of criteria (postulates) for conclusively demonstrating the aetiology (specific cause) of an infectious disease. Which of the following is not a postulate? The infectious agent must be isolated and cultured in vitro The disease is reproduced when a pure culture of the infectious agent is inoculated into a new susceptible host The infectious agent can be recovered from the experimentally-infected host The infectious agent is present in most cases of the diseasearrow_forwardExplain briefly how Koch's postulates cemented the germ theory of disease.arrow_forward
- List the steps of Koch’s postulates and also explain what you think they mean and importance.arrow_forwardWhich are the limitations of Koch's postulates?arrow_forwardWhich of the following is NOT true about Koch's postulates? First developed by Robert Koch, the pioneering German microbiologist In the first step, the microbe that causes a naturally occurring disease is cultured from a "wild" (non-laboratory) animal which has that disease None of the other four answers (All are true about Koch's Postulates) They represent a process for showing a causal association between a specific microbe and a disease If the same microbe from a diseased "wild" (non-laboratory) host causes the same disease in a lab animal and it can be cultured from that lab animal, this proves that the microbe is the cause of the naturally occurring diseasearrow_forward
- Explain Koch’s Postulates and the proof of pathogenicity.arrow_forwardWhat is the Germ Theory of Disease? List the contributions of Louis Pasteur, Robert Koch, and Joseph Lister in the germ theory.arrow_forwardList Koch’s postulates, and discuss when they might not be appropriate in establishing causation.arrow_forward
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