Microbiology Study Questions #2

10 Questions | Total Attempts: 107

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Microbiology Quizzes & Trivia

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Questions and Answers
  • 1. 
    Certain dyes may be added to culture media to:
    • A. 

      Indicate metabolic activity of microorganisms

    • B. 

      Selectively grow certain microogranisms by inhibiting the growth of others

    • C. 

      Both

    • D. 

      Neither

  • 2. 
    One of the following is a selective medium used to isolate pathogenic gram negative bacilli from stool specimen:
    • A. 

      Salmonella-shigella

    • B. 

      Sheep blood agar

    • C. 

      MacConkey

    • D. 

      Eosin-methylene blue

  • 3. 
    The first man to use an antiseptic in surgery to prevent infection was:
    • A. 

      Lister

    • B. 

      Koch

    • C. 

      Pasteur

    • D. 

      Tyndal

  • 4. 
    The study of the factors that determine the occurrence of disease in populations is called:
    • A. 

      Morbidity

    • B. 

      Public health

    • C. 

      Epidemiology

    • D. 

      Infection control

  • 5. 
    The best choice to disinfect a nonmetallic surfaces contaminated with blood would be:
    • A. 

      A phenol solution

    • B. 

      Fresh 5% bleach

    • C. 

      70% isopropyl alcohol

    • D. 

      Green soap

  • 6. 
    The most powerful method of sterilization by heat is:
    • A. 

      Dry heat

    • B. 

      Boiling

    • C. 

      Live steam

    • D. 

      Steam under pressure

  • 7. 
    Virulence is:
    • A. 

      Infectiveness

    • B. 

      Pathogenicity

    • C. 

      Degree of pathogenicity

    • D. 

      Invasiveness

  • 8. 
    An opportunistic organism is a:
    • A. 

      Harmless organism

    • B. 

      Normal flora organism

    • C. 

      Helpful organism

    • D. 

      Potentially harmful organism

  • 9. 
    Organisms that have become established in an area of the human body are referred to as:
    • A. 

      Normal flora

    • B. 

      Opportunists

    • C. 

      Symbiotic

    • D. 

      Pathogens

  • 10. 
    Organisms which grow in the presence of atmospheric oxygen are:
    • A. 

      Anaerobes

    • B. 

      Parasites

    • C. 

      Aerobes

    • D. 

      Hosts