Microbial Control Agents Quiz
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Questions and Answers

Physical: heat, freeze, ultraviolet radiation & filtration. - Chemical: disinfectants & ______ (Alcohols, aldehydes, phenolics, oxidizing agents, quaternary ammonium compounds, ethylene oxide gas and others)

antiseptics

The most important physical agent we are going to concentrate in this lab is heat, because heat is: - The most widely applicable and effective for ______. - The most economical and easily controlled

sterilization

Chemotherapeutic : drugs (e.g. ______)

antibiotics

Disinfection ►A chemical process that kills or prevents (inhibits, stops) the growth of micro-organisms, but not necessarily endospore forming bacteria, when it’s applied on inanimate objects (non-living cells). Agent is used is called ______

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

►The process that kills (destroys) the growth of micro-organisms including endospore forming bacteria. (Agent is used is called ______)

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

Study Notes

Physical and Chemical Methods of Disinfection and Sterilization

  • Physical methods include heat, freeze, ultraviolet radiation, and filtration.
  • Chemical methods include disinfectants, alcohols, aldehydes, phenolics, oxidizing agents, quaternary ammonium compounds, and ethylene oxide gas.

Importance of Heat

  • Heat is the most widely applicable and effective physical agent for disinfection and sterilization.
  • Heat is the most economical and easily controlled physical agent.

Chemotherapeutic Agents

  • Chemotherapeutic agents are drugs, such as antibiotics, used to prevent or treat microbial infections.

Disinfection and Sterilization

  • Disinfection is a chemical process that kills or prevents the growth of microorganisms, but not necessarily endospore-forming bacteria, when applied to inanimate objects.
  • A disinfectant is an agent used in the disinfection process.
  • Sterilization is a process that kills or destroys the growth of microorganisms, including endospore-forming bacteria.
  • A sterilant is an agent used in the sterilization process.

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Description

Test your knowledge on microbial control agents and their use in preventing transmission of diseases and infections. Learn about the physical and chemical methods, including heat, freeze, ultraviolet radiation, filtration, disinfectants, and antiseptics.

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