Pharmaceutical Microbiology Sterilization II - Pharm D Program Lecture

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Questions and Answers

What is the purpose of the AttestTM indicator?

  • To display a color change in response to heat
  • To distinguish between exposed and non-exposed ampoules (correct)
  • To monitor steam and formaldehyde cycles
  • To induce dimerisation of thymine

What does the Browne’s tubeTM change color in response to?

  • Formaldehyde exposure
  • Heat exposure (correct)
  • Radiation exposure
  • Steam exposure

Which indicator is designed for monitoring low-temperature steam and formaldehyde cycles?

  • ChemdiTM
  • ChemsporTM indicator
  • ThermalogTM strip
  • Plastic carrier with dried Bacillus stearothermophilus spores (correct)

Which indicator contains bacterial spores suspended in culture medium?

<p>ChemsporTM indicator (A)</p> Signup and view all the answers

What kind of rays induce dimerisation of thymine?

<p>U.V. rays (D)</p> Signup and view all the answers

Which sterilizing agent is used in Ethylene oxide sterilization?

<p>Ethylene oxide (B)</p> Signup and view all the answers

What does the ChemdiTM indicator display a color change in response to?

<p>Heat exposure (B)</p> Signup and view all the answers

What is the purpose of the ThermalogTM strip?

<p>To display a color change in response to heat (C)</p> Signup and view all the answers

What distinguishes between steam-exposed and non-exposed ampoules in the ChemsporTM indicator?

<p>The horizontal band on the ampoule darkening on autoclaving (C)</p> Signup and view all the answers

What is a feature of the ChemsporTM indicator that aids in distinguishing between exposed and non-exposed ampoules?

<p>A second, smaller ampoule containing a chemical indicator. (B)</p> Signup and view all the answers

Flashcards

AttestTM indicator

An indicator used to distinguish between exposed and non-exposed ampoules.

Browne’s tubeTM

A tube that changes color in response to heat exposure.

Plastic carrier with dried Bacillus stearothermophilus spores

An indicator specifically designed for low-temperature steam and formaldehyde sterilization cycles.

ChemsporTM indicator

An indicator containing bacterial spores suspended in culture medium.

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U.V. rays and thymine dimerization

U.V. rays induce dimerization of thymine, which is a key component of DNA.

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Ethylene oxide

A sterilizing agent used in Ethylene oxide sterilization.

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ChemdiTM indicator

An indicator that displays a color change in response to heat exposure.

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ThermalogTM strip

An indicator strip that displays a color change in response to heat.

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Horizontal band on ChemsporTM

A distinguishing feature of the ChemsporTM indicator is the horizontal band that darkens when the ampoule is autoclaved.

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Second ampoule in ChemsporTM

A second, smaller ampoule containing a chemical indicator, is a feature of the ChemsporTM indicator that helps distinguish between exposed and non-exposed ampoules.

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