Foundations In Microbiology 6th Edition By Kathleen Park Talaro – Test Bank

11 Key

1. Microbiological contaminants are best described as
   A.unwanted microbes present on or in a substance.
   B. any and all microbes present on or in a substance.
   C. pathogenic microbes present on or in a substance.
   D. vegetative microbes present on or in a substance.
   E. None of the choices are correct.

Talaro – 011 Chapter… #1
 

2. Physical agents for controlling microbial growth include all the following except
   A. ultraviolet radiation.
   B. boiling water.
   C. HEPA filters.
   D. pasteurization.
   E. hydrogen peroxide.

Talaro – 011 Chapter… #2
 

3. Which of the following microbial forms have the highest resistance to physical and chemical controls?
   A.naked viruses
   B. protozoan cysts
   C. fungal spores
   D. bacterial endospores
   E. yeast

Talaro – 011 Chapter… #3
 

4. The process that destroys or removes all microorganisms and microbial forms including bacterial endospores is
   A.disinfection.
   B. sterilization.
   C. antisepsis.
   D. sanitization.
   E. degermation.

Talaro – 011 Chapter… #4
 

5. The process of using a cleansing technique to mechanically remove and reduce microorganisms and debris to safe levels is
   A.disinfection.
   B. sterilization.
   C. antisepsis.
   D. sanitization.
   E. degermation.

Talaro – 011 Chapter… #5
 

6. The use of a physical or chemical process to destroy vegetative pathogens is
   A.disinfection.
   B. sterilization.
   C. antisepsis.
   D. sanitization.
   E. degermation.

Talaro – 011 Chapter… #6
 

7. The use of chemical agents directly on exposed body surfaces to destroy or inhibit vegetative pathogens is
   A.disinfection.
   B. sterilization.
   C. antisepsis.
   D. sanitization.
   E. degermation.

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8. Scrubbing or immersing the skin in chemicals to reduce the numbers of microbes on the skin is
   A.disinfection.
   B. sterilization.
   C. antisepsis.
   D. sanitization.
   E. degermation.

Talaro – 011 Chapter… #8
 

9. Which of the following types of control agents would be used to achieve sterility?
   A.virucide
   B. bactericide
   C. germicide
   D. sporicide
   E. fungicide

Talaro – 011 Chapter… #9
 

10. Which is correct regarding the rate of microbial death?
    A.cells die at increasingly greater rates
    B. only older cells die in a culture
    C. cells in a culture die at a constant rate
    D. upon contact with the control agent, all cells die at one time
    E. cells become metabolically inactive but are never killed