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?

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

What is the purpose of sanitization?

To wash and chemically disinfect (A) Signup and view all the answers

What is the difference between sterilization and disinfection?

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

What is the purpose of commercial sterilization?

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. Signup and view all the answers

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

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

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

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

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

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

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