Microbial Growth Control Methods

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Questions and Answers

What distinguishes 'cidal' agents from 'static' agents?

  • Cidal agents are effective against viruses, static agents are effective against bacteria.
  • Cidal agents can only be used on inanimate objects, static agents can be used on living tissues.
  • Cidal agents enhance growth while static agents inhibit growth.
  • Cidal agents kill microorganisms while static agents only inhibit growth. (correct)

Which type of agent is most suitable for use on inanimate objects?

  • Chemotherapeutic agents
  • Physical agents
  • Bacteriocidal agents
  • Chemical agents (correct)

Which principle type of agent is typically used inside the living body?

  • Physical agents
  • Chemical agents
  • Bacteriostatic agents
  • Chemotherapeutic agents (correct)

Which of the following statements about controlling microbial growth is accurate?

<p>Both cidal and static agents are used for inhibiting microbial growth. (A)</p> Signup and view all the answers

Which of the following best describes the use of physical agents in microbial control?

<p>They are utilized exclusively on objects outside the body. (D)</p> Signup and view all the answers

What is the proper definition of 'bacteriostatic'?

<p>An agent that only inhibits the reproduction and growth of bacteria. (B)</p> Signup and view all the answers

Flashcards

Microbial growth control

Preventing or stopping the growth of microorganisms.

Cidal agents

Agents that kill microorganisms.

Static agents

Agents that inhibit the growth of microorganisms, but don't kill them.

Bactericidal

Used to kill bacteria; a type of cidal agent.

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Bacteriostatic

Used to inhibit bacterial growth; a type of static agent.

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Chemotherapeutic agents

Agents used inside the body to treat infections.

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Study Notes

Controlling Microbial Growth

  • Microbial growth is inhibited or prevented.
  • Control methods involve killing or inhibiting growth.
  • "Cidal" agents kill microorganisms.
  • "Static" agents inhibit microbial growth without killing.
  • Examples include bactericidal (kills bacteria) and bacteriostatic (inhibits bacterial growth).

Types of Control Agents

  • Physical agents: Used on non-living objects.
  • Chemical agents: Used on non-living objects and body surfaces.
  • Chemotherapeutic agents: Primarily used inside the body.

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