Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Textbook Question
Chapter 15, Problem 4MCQ
All of the following can occur during bacterial infection. Which would prevent all of the others?
- a. vaccination against fimbriae
- b. phagocytosis
- c. inhibition of phagocytic digestion
- d. destruction of adhesins
- e. alteration of cytoskeleton
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Students have asked these similar questions
Why are encapsolated bacteria generally more pathogenic than un-capsolated strains.
a. Because capsule allows the organism to hide in the body of the host.
b. because the capsule causes the phagocyte to mutate c. because the capsule protects bacteria from host immune cells
d. because the capsule kills the phagocytes
e. because the capsule stimulates a potent immune response in the host.
In certain bacterial illnesses, particularly lung
infections with Pseudomonas aeruginosa, a
physician may not treat the patient with antibiotics
(which will kill the microorganisms), rather give the
patient anti-inflammatory medications.
1. Why might a physician choose to inhibit inflammation in
the case of an infection?
2. What types of damage might the inflammatory response
do to the surrounding tissues, not just the bacteria it was
designed to combat?
3. We talked a lot about controlling the complement cascade
because of its potentially damaging effects, what are
some of the ways the body can control inflammation and
the inflammatory response?
Toll-like receptors (TLRS) act to
A. cause phagocytic chemotaxis.
B. induce phagocytosis.
C. bind microbial proteins and polysaccharides.
D. destroy microbial cells.
You may select zero, one, or many answers.
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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- Explain the actions of each of the following that make them virulencefactors:a. hemolysins b. leukocidin c. kinases d. hyaluronidase e. coagulasearrow_forwardMycobacterium tuberculosis recruits phagocytes to the site of infection. Based on this information, which of the three methods shown here does the bacterium likely use to avoid being destroyed?arrow_forwardAcidic environments slow the growth of or destroy some pathogens. Which locations in the body use this defence mechanism? Select ALL that apply. □ a. Vagina (produced by beneficial bacteria) b. Skin (sweat) O c. Lungs (mucus) Od. Stomach (hydrochloric acid) De. Mouth (saliva) f. Urinary tract (urine)arrow_forward
- New research suggests a link between some microbes that normally live in the body and seemingly unrelated major illnesses. The gum disease called periodontitis itself is not life-threatening, for instance, but it is a fairly good predictor for heart attacks. Bacteria that cause gum disease can trigger inflammation. Thinking back to your reading in Chapter 7, how do you suppose that this response also may be harmful to the heart?arrow_forwardAcidic environments slow the growth of or destroy some pathogens. Which locations in the body use this defence mechanism? Select ALL that apply. a. Skin (sweat) b. Mouth (saliva) O c. Stomach (hydrochloric acid) O d. Vagina (produced by beneficial bacteria) e. Urinary tract (urine)arrow_forwardVaccines are given to provide protection against pathogen causing infections. Which of the following statements best describes how vaccines work? a Fever and swelling develop which is the first response in killing a pathogen b. Antibodies in the vaccine provide the body with nonspecific immunity to an antigen. c. An inactivated or killed virus stimulates the body to develop specific immunity to that type of virus. d. Heathy bacteria causes the body to release toxins which will protect the body if later exposed to different type of bacteria.arrow_forward
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