Microbiology: An Evolving Science (Fourth Edition)
4th Edition
ISBN: 9780393615098
Author: John W. Foster, Joan L. Slonczewski
Publisher: W. W. Norton & Company
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Question
Chapter 25, Problem 4RQ
Summary Introduction
To review:
Various portals of entry for infectious agents and diseases associated with each portal.
Introduction:
Diseases and infections are caused when the pathogens enter the body and overtake the immune system. These pathogens enter the body by direct and indirect means. There are several portals through which these pathogens can enter the body. The pathogens are generally microbes such as bacteria, viruses,
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Chapter 25 Solutions
Microbiology: An Evolving Science (Fourth Edition)
Ch. 25.1 - Prob. 1TQCh. 25.4 - Prob. 1TQCh. 25.4 - Prob. 2TQCh. 25.4 - Prob. 3TQCh. 25.4 - Prob. 4TQCh. 25.5 - Prob. 1TQCh. 25.6 - Prob. 1TQCh. 25.6 - Prob. 2TQCh. 25.6 - Prob. 3TQCh. 25.6 - Prob. 4TQ
Ch. 25.7 - Prob. 1TQCh. 25 - Prob. 1RQCh. 25 - Prob. 2RQCh. 25 - Prob. 3RQCh. 25 - Prob. 4RQCh. 25 - Prob. 5RQCh. 25 - Prob. 6RQCh. 25 - Prob. 7RQCh. 25 - Prob. 8RQCh. 25 - Prob. 9RQCh. 25 - Prob. 10RQCh. 25 - Prob. 11RQCh. 25 - Prob. 12RQCh. 25 - Prob. 13RQCh. 25 - Prob. 14RQCh. 25 - Prob. 15RQCh. 25 - Prob. 16RQCh. 25 - Prob. 17RQCh. 25 - Prob. 1TQCh. 25 - Prob. 2TQCh. 25 - Prob. 3TQCh. 25 - Prob. 4TQCh. 25 - Prob. 5TQ
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- Distinguish between direct and indirect transmission of disease.Cite at least one example of eacharrow_forwardDescribe the four general mechanisms by which microorganisms cause disease.arrow_forwardDescribe the characteristics of infectious diseases, including the course of disease, duration of symptoms, and distribution of the pathogen.arrow_forward
- Use key terms to describe different patterns of infection.arrow_forwardDescribe the chain of transmission of communicable diseases and explain how infectious agents are transmitted by direct and indirect modes (Answer in 800 words)arrow_forwardWhat is epidemiology? there are several ways pathogens can be transmitted including direct contact, indirect contact, via respiratory droplets, vehicle, and through a vector. Describe each mode IN DETAIL and give an example of a pathogen that can be transmitted each way.arrow_forward
- Describe the difference between the terms INFECTION and DISEASE. Starting with exposure to pathogens, describe IN DETAIL the steps involved in the infection process ( exposure, adherence, invasion and multiplication) as well as the disease process( Toxicity, invasiveness, tissue or system damage)arrow_forwardAll of the following are requirements for being a "carrier" of an infection, except: a. Active multiplication of the infectious agent in the body b. Absence of recognizable symptoms and signs of the infection c. Presence of the infectious agent in the body d. Ability to transmit the infection through excretions, discharges, and/or respiratory dropletsarrow_forwardExplain how specialized structures (e.g., spore, capsule, fimbriae, or flagella) enable a microbe to survive in a given environment or contribute to pathogenesis.arrow_forward
- Describe the factors that contribute to the emergence or re-emergence of disease.arrow_forwardDescribe the infectious disease processarrow_forwardExplain what is happening during each stage of infection. Compare and contrast: systemic, local, and focal infections; primary versus secondary infections; infection versus intoxication.arrow_forward
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