Bacteria Structures and Characteristics Quiz
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Questions and Answers

What type of bacteria would be best suited for growth in the environment shown in the figure?

  • Obligate anaerobes (correct)
  • Obligate aerobes
  • Microaerophiles
  • Facultative anaerobes
  • Which of the following bacteria is deficient in a cell wall?

  • Spirilla
  • Mycoplasma (correct)
  • Gram-positive bacteria
  • Escherichia coli
  • What is the term used for an organism that is killed by oxygen?

  • Obligate aerobe
  • Aerotolerant anaerobe
  • Facultative anaerobe
  • Obligate anaerobe (correct)
  • Which disease is characterized by catarrhal, paroxysmal, and convalescent stages?

    <p>Pertussis</p> Signup and view all the answers

    Which method of physical control non-specifically alters proteins and nucleic acids?

    <p>Radiation</p> Signup and view all the answers

    A patient with active tuberculosis infection is placed in ______ precautions and healthcare workers should always wear ______ when providing care.

    <p>Droplet, mask</p> Signup and view all the answers

    Which method of microbial control physically removes microbes from samples?

    <p>Filtration</p> Signup and view all the answers

    Which of the following chemicals is widely used as a household disinfectant and decomposes into water and oxygen gas?

    <p>Hydrogen peroxide</p> Signup and view all the answers

    What was one of the first chemicals used by Lister to prevent surgical infections?

    <p>Carbolic acid</p> Signup and view all the answers

    Which of the following lacks a cell wall?

    <p>Mycoplasma</p> Signup and view all the answers

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