EP MICROBIOLOGY:W/DISEASES BY..-MOD.ACC
5th Edition
ISBN: 9780134607894
Author: BAUMAN
Publisher: PEARSON CO
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Chapter 14, Problem 8SA
In general, contrast transient microbiota with resident microbiota.
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Microbiota
In healthy humans, the internal organs and tissues such as muscles, the brain, and blood do not
contain microorganisms. However, surface tissues, such as the skin and mucous membranes,
are in continuous contact with environmental microbes and become readily colonized by
specific bacteria. The population of microbes regularly found in the body is referred to as the
normal microbiota. The term transient microbiota refers to members of the normal microbiota
that are present for only a short time before disappearing. A person's normal microbiota is an
important part of the immune system, as the normal microbiota often inhibit pathogenic
microbes from colonizing the host, a process called microbial antagonism. Different types of
bacteria will colonize different niches in a person's body due to variations in moisture level, pH.
atmospheric pressure, oxygen levels, and body secretions. Accordingly, different types of medila
must be used to culture the various human microbiota.
If…
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.
Define the following term Normal microbiota, microbiome, and transient microbiota. Give a unique answer.
Chapter 14 Solutions
EP MICROBIOLOGY:W/DISEASES BY..-MOD.ACC
Ch. 14 - Prob. 1TMWCh. 14 - A Deadly Carrier In 1937, a man employed to lay...Ch. 14 - Prob. 2TMWCh. 14 - Prob. 3TMWCh. 14 - Why is mutated Streptococcus pneumoniae, which...Ch. 14 - Prob. 5TMWCh. 14 - Prob. 6TMWCh. 14 - TB in the Nursery In the early fall, a neonatal...Ch. 14 - Why is an acute disease with a high rate of...Ch. 14 - Prob. 1EDCS
Ch. 14 - Prob. 8TMWCh. 14 - Prob. 1MCCh. 14 - Prob. 2MCCh. 14 - Prob. 3MCCh. 14 - The most frequent portal of entry for pathogens is...Ch. 14 - Prob. 5MCCh. 14 - Prob. 6MCCh. 14 - Prob. 7MCCh. 14 - Prob. 8MCCh. 14 - Prob. 9MCCh. 14 - Prob. 10MCCh. 14 - Which of the following statements is the best...Ch. 14 - Prob. 12MCCh. 14 - Prob. 13MCCh. 14 - Prob. 14MCCh. 14 - Prob. 15MCCh. 14 - Prob. 1FIBCh. 14 - Fill in the Blanks 2. Infections that may go...Ch. 14 - Prob. 3FIBCh. 14 - Prob. 4FIBCh. 14 - Prob. 5FIBCh. 14 - Prob. 6FIBCh. 14 - Prob. 7FIBCh. 14 - Prob. 8FIBCh. 14 - Prob. 9FIBCh. 14 - Prob. 10FIBCh. 14 - Prob. 1SACh. 14 - Prob. 2SACh. 14 - Prob. 3SACh. 14 - List Kochs four postulates, and describe...Ch. 14 - Prob. 5SACh. 14 - Prob. 6SACh. 14 - Describe the parenteral route of infection.Ch. 14 - In general, contrast transient microbiota with...Ch. 14 - Contrast the terms infection and morbidity.Ch. 14 - Prob. 10SACh. 14 - Each map below shows the locations (dots) of cases...Ch. 14 - Prob. 2VICh. 14 - Explain why Ellen H., a menopausal woman, may have...Ch. 14 - Prob. 2CTCh. 14 - A 27-year-old woman went to her doctors office...Ch. 14 - Over 30 children younger than three years of age...Ch. 14 - Prob. 5CTCh. 14 - Corals are colonial marine animals that feed by...Ch. 14 - If a mutation occurred in Escherichia coli that...Ch. 14 - Using the following terms, fill in the following...
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- Which of the following is a difference between transient and resident microbiota? Transient microbiota are pathogenic, and resident microbiota are not. Resident microbiota remain on the host for an extended period. Humans do not have transient microbiota. Transient microbiota can be opportunistic pathogens, and resident microbiota cannot. Resident microbiota cause disease and transient microbiota do not.arrow_forwardThe best descriptive term for the resident microbiota is?arrow_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
- Define the terms microbiome and microbiota. What are the strategies for establishing and/or maintaining a healthy gut microbiota?arrow_forwardExplain how microbiota from different environments may affect human health.arrow_forwardWhat is microbiome, and what are the interactions between the host's microbiome and infectious agents?arrow_forward
- Select all of the following that applies to the tradeoff between transmission and virulence that applies to many diseases. a) The tradeoff between transmission and virulence means that diseases always evolve to become more virulent. b) If greater virulence limits transmission, that disease will likely evolve to become less virulent than it could be. c) While making more copies of itself can increase the likelihood of transmission occurring, too much replication of the disease can make the host so sick it won't leave the house and spread the disease. d) A strain of a disease that replicates enough to be transmitted, but not so much that the host gets too sick to move, will be favored by natural selection over strains that either make the host too sick or do not replicate enough to be transmitted. e) If a disease can spread without making its host sick (e.g. when the host is asymptomatic), then the tradeoff between transmission and virulence…arrow_forwardWhat are two reasons why it is important to characterize and understand the human microbiome?arrow_forwardExplain mechanistically how a bacterium can be part of the normal microbiome and beneficial but also be pathogenic.arrow_forward
- Pathogenic microbes that cause disease in health care settings fall under which category of organisms? O 1) Normal flora O 2) True pathogens O 3) opportunists 3) O 4) Nosocomialarrow_forwardWould you please define microbiome, normal microbiota, and transient microbiota?arrow_forwardAn infectious disease is a disease that is caused when a pathogen is passed from one organism to another. The nonliving pathogen is the a) Parasites b) Bacteria c) Virus d) Protozoa Please I need a surely answer and a quicker responsearrow_forward
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