Microbial Growth and Sterilization Quiz

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Questions and Answers

Which of the following is an example of a biostatic agent?

  • Bactericide
  • Virucide
  • Bacteriostatic agent (correct)
  • Fungicide

What is the purpose of commercial sterilization?

  • To completely remove all microorganisms
  • To prevent transmission of pathogens
  • To destroy endospores of Clostridium botulinum (correct)
  • To improve food quality

What is the primary function of an antiseptic?

  • To kill harmful microbial vegetative cells
  • To disinfect living tissue (correct)
  • To sterilize surfaces
  • To remove endospores

What is the difference between sepsis and asepsis?

<p>Sepsis is bacterial contamination, while asepsis is absence of contamination (B)</p> Signup and view all the answers

What is the purpose of sanitization?

<p>To wash and chemically disinfect (A)</p> Signup and view all the answers

What is the difference between sterilization and disinfection?

<p>Sterilization involves the removal/destruction of ALL living microorganisms, while disinfection only destroys harmful microbial vegetative cells.</p> Signup and view all the answers

What is the purpose of commercial sterilization?

<p>The purpose of commercial sterilization is to use heat treatment to destroy endospores of Clostridium botulinum, which can produce a deadly toxin but not degrade food quality, particularly in canned food.</p> Signup and view all the answers

Define sepsis and asepsis in the context of microbial growth control.

<p>Sepsis refers to bacterial contamination, while asepsis refers to the absence of contamination.</p> Signup and view all the answers

What is the difference between biocides/germicides and biostatic agents?

<p>Biocides/germicides (suffix -cide) kill microorganisms, while biostatic agents (suffix -stat) inhibit the growth of microorganisms.</p> Signup and view all the answers

Explain the concept of sanitization in the context of microbial growth control.

<p>Sanitization involves high-temperature washing or washing with chemical disinfection to reduce the microbial population to safe levels.</p> Signup and view all the answers

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