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

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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?

Moderate (0.2%) Signup and view all the answers

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

Naturally occurring in plants and animal species Signup and view all the answers

What is the effect of combining glycerolether with other ingredients?

Synergistic antimicrobial activity Signup and view all the answers

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

Synergistic efficacy against coryneform bacteria Signup and view all the answers

What is the purpose of using triclosan in skincare products?

Antimicrobial activity Signup and view all the answers

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

Natural origin and biodegradability Signup and view all the answers

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

Clear liquid Signup and view all the answers