Pharmaceutical Dosage Forms II (PT 405) Quiz: Emulsion Roll-On Systems
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Questions and Answers

What is the effect of triclosan in antiperspirant sticks and roll-ons?

  • Higher reduction of viral microflora
  • No effect on microbial microflora
  • Higher reduction of fungal microflora
  • Higher reduction of bacterial microflora (correct)

What is the advantage of using glyceryl fatty acid ester combinations?

  • Broader antimicrobial spectrum
  • Higher toxicity to human skin
  • Lower cost of production
  • Higher biodegradability and selective bacterial action (correct)

What is the basis of the antimicrobial potential of sucrose fatty acid esters?

  • Type of fatty acid used
  • Substitution degree of the sucrose (correct)
  • Concentration of the ester
  • pH of the solution

What is the solubility of glycerolether in water?

<p>Moderate (0.2%) (C)</p> Signup and view all the answers

What is the characteristic of glyceryl fatty acid ester combinations in terms of their origin?

<p>Naturally occurring in plants and animal species (A)</p> Signup and view all the answers

What is the effect of combining glycerolether with other ingredients?

<p>Synergistic antimicrobial activity (B)</p> Signup and view all the answers

What is the role of farnesol in glyceryl fatty acid ester combinations?

<p>Synergistic efficacy against coryneform bacteria (C)</p> Signup and view all the answers

What is the purpose of using triclosan in skincare products?

<p>Antimicrobial activity (C)</p> Signup and view all the answers

What is the advantage of using sucrose fatty acid esters over other antimicrobial agents?

<p>Natural origin and biodegradability (B)</p> Signup and view all the answers

What is the characteristic of glycerolether in terms of its appearance?

<p>Clear liquid (C)</p> Signup and view all the answers

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