Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Chapter 20, Problem 5CTQ
Summary Introduction
To determine:
The characteristics of the pathogens that make them suitable candidate for mass infection with high mortality.
Concept introduction:
Bioterrorism or bioweapon is a kind of terrorism that is characterized by the intentional release of some biological agent such as viruses, bacteria or other kinds of microbes which results in wide illness or death. The biological agent may be modified genetically to spread at the faster rate and to resist the effect of the medicine.
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While it is true that not all coliforms are pathogenic under normal conditions, please name two situations that can occur due to infection by pathogenic strains.
Below are a list of virulence factors/ strategies paired with an example of an organism that utilizes them. How do each of the following strategies contribute to the virulence of the pathogen?
Strategy - Causes the host to produce more receptors (Organism - Rhinovirus)
Strategy - Produces gas as a product of fermentation (Organism - Clostridium perfringens)
Strategy - Produces a capsule (organism - Klebsiella pneumonia)
Strategy - Ability to move between adjacent cells (organism - Cytomegalovirus)
Strategy - Ability to use pilus as a motility structure (organism - Pseudomonas aerogenosa)
What is the “iceberg concept of infection.” How does this affect our understanding of the mortality rates of a particular microbe?
Chapter 20 Solutions
Microbiology: A Systems Approach
Ch. 20.1 - Describe the important anatomical features of the...Ch. 20.1 - List the natural defenses present in the...Ch. 20.2 - Prob. 3AYPCh. 20.3 - Prob. 4AYPCh. 20.3 - Prob. 5AYPCh. 20.3 - Prob. 6AYPCh. 20.3 - Prob. 7AYPCh. 20.3 - Prob. 8AYPCh. 20.3 - Prob. 9AYPCh. 20.3 - Identify the five or six most relevant facts about...
Ch. 20.3 - Prob. 11AYPCh. 20.3 - Prob. 12AYPCh. 20.3 - Prob. 13AYPCh. 20 - Prob. 1MCQCh. 20 - Prob. 2MCQCh. 20 - Prob. 3MCQCh. 20 - Rabbit fever is caused by a. Yersinia pestis. b....Ch. 20 - Prob. 5MCQCh. 20 - Prob. 6MCQCh. 20 - Prob. 7MCQCh. 20 - Prob. 8MCQCh. 20 - Prob. 9MCQCh. 20 - Prob. 10MCQCh. 20 - Brucellosis can be transmitted to humans by...Ch. 20 - Prob. 12TFCh. 20 - Prob. 13TFCh. 20 - Prob. 14TFCh. 20 - Prob. 15TFCh. 20 - Explain why cases of dengue fever have been...Ch. 20 - Prob. 2CTQCh. 20 - Prob. 3CTQCh. 20 - Prob. 4CTQCh. 20 - Prob. 5CTQCh. 20 - Prob. 1VCCh. 20 - Prob. 1CM
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- I don't know how to fill in this table. I submitted this question yesterday but the answer did not match up with the answer bank. These are the options to fill in the table - true pathogen, secondary infection, portal of exit, syndrome, portal of entry, oppunistic infection, opportunistic pathogen, morbidity, health care associated infection, virulence factor, pathogenicity, toxemiaarrow_forwardA student argues that it makes no sense to be concerned about coliforms in drinking water because they are harmless members of our normal microbiota. Explain why regulatory agencies are concerned about coliforms.arrow_forwardMost pathogens fall into which group on this chart?arrow_forward
- Normal microbiota provide protection from infection in each of the following ways EXCEPT: Question 3 options: A) they produce antibacterial chemicals. B) they compete with pathogens for nutrients. C) they make the chemical environment unsuitable for nonresident bacteria. D) they produce lysozyme.arrow_forwardWhat is a microbiome? What is the human microbiome and how is it important to human health? What do we know about the human microbiome in general? Provide a general introduction to these topics and make sure to emphasize the importance of the microbiome.arrow_forwardWhile it is true that not all coliforms are pathogenic under normal conditions, please name two situations that can occur due to infection by coliforms under abnormal conditions (when they are present where they are not supposed to be or when their numbers exceed acceptable levels)arrow_forward
- Write a 200-word paragraph on how organism virulence affects pathogenicity. Describe the factors that affect virulence/ pathogenicity, the difference between RNA and DNA viruses and how this difference impacts disease patterns.arrow_forwardWhich of the following strains of pathogens has the lowest incidence?a. VRE b. VRSA c. MRSA d. MRSEarrow_forwardOnce these pathogens enter the host the difference in environmental conditions signals for them to germinate and turn into growing cells. Compare Inhalation anthrax (Bacillus anthracis) to Tetanus (Clostridium tetani). Besides endospores used in transmission, what is a simple explanation to help explain how each microbe survives and grows in each location?arrow_forward
- C. bot and C. tetani are considered true pathogens while C. dificile is considered an opportunist. What do we know about the pathogens from these classifications?arrow_forwardWhy is it important to prepare healthy food during this COVID 19 pandemic? Do you continue eating food that is unhealthy? Why?arrow_forwardBacillus and Clostridium both form ___________________. These resistant structures are found in the dirt and are important for transmission of these microbes. Give a specific explanation of how each of these microbes normally moves from its reservoir in the dirt to enter a host. Anthrax (Hint: Anthrax is sometimes known as “wool-sorter’s” disease) Cutaneous Inhalation/ Pulmonary Ingestion/ Gastrointestinal Tetanus Botulismarrow_forward
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