Microbiology: An Introduction (13th Edition)
13th Edition
ISBN: 9780134605180
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case, Derek Weber, Warner Bair
Publisher: PEARSON
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Chapter 15, Problem 3MCQ
Summary Introduction
Introduction:
Entry of pathogens to any host or humans through various routes such as mucous membrane or skin termed as portals of entry. Mostly they enter through the mucous membrane of respiratory tract, gastrointestinal tract, genitourinary tract, skin and blood. The pathogens cause various human diseases such as pneumonia, influenza, typhoid fever, giardiasis genital warts, herpes, syphilis conjunctivitis and trachoma etc.
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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.
All 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 droplets
Antiphagocytic factors produced by microorganisms include all of the following EXCEPT
a. leukocidins which are enzymes that destroy white blood cells
b. capsules
c. exotoxins
d. endotoxins
e. fimbriae
Chapter 15 Solutions
Microbiology: An Introduction (13th Edition)
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. 2ACh. 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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