Brock Biology of Microorganisms (15th Edition)
15th Edition
ISBN: 9780134261928
Author: Michael T. Madigan, Kelly S. Bender, Daniel H. Buckley, W. Matthew Sattley, David A. Stahl
Publisher: PEARSON
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Chapter 29.5, Problem 1CR
Summary Introduction
Yellow fever is caused by the yellow fever virus belonging to the family Flavivirus. It is usually transmitted through the bite of mosquito Aedes aegypti. This disease is predominant in the tropics such as South America and Africa but not in Asia. The general symptoms of the disease include fever, chills, nausea, loss of appetite and muscular pains.
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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)
Which of the following pathogens is the LEAST virulent?
1. Microbe B, ID50 = 1,000 cells
2. Microbe D, ID50 = 10 cells
3. None of the other four answers (Cannot be determined from information provided)
4. Microbe C, ID50 = 100 cells
5. Microbe A, ID50 = 100,000 cells
Which of the following statements is false?a) A disease with a long incubation period might spread extensively before an epidemic is recognized.b) A person exposed to a low dose of a pathogen might not develop disease.c) The young and the aged are more likely to develop certain diseases.d) Malnourished populations are more likely to develop certain diseases.e) Herd immunity occurs when a population does not engage in a given behavior, such as eating raw fish, that would otherwise increase their risk of disease.
Chapter 29 Solutions
Brock Biology of Microorganisms (15th Edition)
Ch. 29.1 - Prob. 1MQCh. 29.1 - Prob. 2MQCh. 29.1 - Which is more severe, a disease with a high...Ch. 29.1 - Distinguish between disease incidence and disease...Ch. 29.2 - Explain coevolution of host and pathogen. Cite a...Ch. 29.2 - How does herd immunity prevent a nonimmune...Ch. 29.2 - Prob. 1CRCh. 29.3 - Prob. 1MQCh. 29.3 - Prob. 2MQCh. 29.3 - Prob. 3MQ
Ch. 29.3 - Prob. 1CRCh. 29.4 - Distinguish between direct and indirect...Ch. 29.4 - Prob. 2MQCh. 29.4 - Prob. 3MQCh. 29.4 - Prob. 1CRCh. 29.5 - Prob. 1MQCh. 29.5 - Outline the steps taken to eradicate smallpox.Ch. 29.5 - Describe some of the public health activities of...Ch. 29.5 - Prob. 1CRCh. 29.6 - Prob. 1MQCh. 29.6 - Prob. 2MQCh. 29.6 - Contrast the leading causes of death in Africa and...Ch. 29.7 - Prob. 1MQCh. 29.7 - What factors are important in the emergence or...Ch. 29.7 - Prob. 3MQCh. 29.7 - QHow can bacterial genetic exchange fuel the...Ch. 29.8 - Prob. 1MQCh. 29.8 - Prob. 2MQCh. 29.8 - What is a reassortant influenza virus and why can...Ch. 29.8 - Prob. 1CRCh. 29.9 - Prob. 1MQCh. 29.9 - Prob. 2MQCh. 29.9 - Why are smallpox and anthrax more likely to be...Ch. 29 - Prob. 1AQCh. 29 - Prob. 2AQCh. 29 - Prob. 3AQ
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