MICROBIOLOGY-ACCESS >CUSTOM<
13th Edition
ISBN: 9780135668825
Author: Tortora
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.
Fever can indicate that
a. the pathogen remains on the skin
b. the body is responding to an infection.
c. a pathogen has been trapped by mucous.
d. the body has recovered from an 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
Chapter 15 Solutions
MICROBIOLOGY-ACCESS >CUSTOM<
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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- Different strains of Streptococcus pyogenes have different virulence factors, giving these microbes much versatility. Virulence factors include which of the following? Choose one or more: A.A capsule that, when thick, will help the organism avoid phagocytosis by macrophages B.A cell wall containing lipoteichoic acid, thought to facilitate adherence to pharyngeal epithelial cells C.Enzymes that lyse blood cells (streptolysins) D.The production of several endotoxins called streptococcal pyogenic endotoxins (SPEs)arrow_forwardAn antibiotic that disrupts the normal flora can causea. the teeth to turn brown b. aplastic anemia c. a superinfection d. hepatotoxicityarrow_forwardSelect the letter of the choice that best completes the statement. Using clean linens and equipment will help break the chain of infectiona. between reservoir and portal of entry.b. between portal of exit and mode of transmission.c. between agent and reservoir.d. between portal of entry and host.arrow_forward
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