Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Question
Chapter 15, Problem 6MCQ
Summary Introduction
Introduction:
Some of the bacteria enclose themselves by capsules formed of polysaccharides called encapsulated. These encapsulated stains of the bacteria are more virulent and resistant to intracellular killing than non-encapsulated stains.
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An infection that spreads from a local site to other tissues is known as a
a. mixed infection.
b. primary infection.
c. focal infection.
d. chronic infection.
endotoxins are:
a. excreted from within the cell
b. specific in their method of actino depending on the particular endotoxin
c. associated with gram-positive bacteria
d. part of a particular type of cell wall copmosed os lopolusaccharides
e. none of the above
Which factors would promote progression of an infection? Select all that apply.
a. low microbial virulence
b. increased percentage of optimal infectious dose
c. correct portal of entry
d. genetic profi le of host resistance to microbe
e. no previous exposure to this infection
f. decreased level of overall health
Chapter 15 Solutions
Microbiology: An Introduction
Ch. 15 - Compare pathogenicity with virulence.Ch. 15 - How are capsules and cell wall components related...Ch. 15 - Prob. 3RCh. 15 - Explain how drugs that bind each of the following...Ch. 15 - Prob. 5RCh. 15 - Prob. 6RCh. 15 - Prob. 7RCh. 15 - Which of the following genera is the most...Ch. 15 - How can viruses and protozoa avoid being killed by...Ch. 15 - Prob. 10R
Ch. 15 - The removal of plasmids reduces virulence in which...Ch. 15 - Prob. 2MCQCh. 15 - Prob. 3MCQCh. 15 - All of the following can occur during bacterial...Ch. 15 - The ID50 for Campylobacter sp. is 500 cells; the...Ch. 15 - Prob. 6MCQCh. 15 - A drug that binds to mannose on human cells would...Ch. 15 - The earliest smallpox vaccines were infected...Ch. 15 - Prob. 9MCQCh. 15 - Which of the following statements is true? a. The...Ch. 15 - Prob. 1ACh. 15 - Prob. 3ACh. 15 - How do each of the following strategies contribute...Ch. 15 - On July 8, a woman was given an antibiotic for...Ch. 15 - Explain whether each of the following examples is...Ch. 15 - Cancer patients undergoing chemotherapy are...
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