Podcast
Questions and Answers
What is the purpose of transdermal drug delivery systems (TDDS)?
What is the purpose of transdermal drug delivery systems (TDDS)?
- To release drugs slowly through the skin into the systemic circulation (correct)
- To inject drugs directly into the bloodstream
- To deliver drugs via inhalation/aerosol
- To encapsulate drugs in a polymeric material
What distinguishes monolithic transdermal systems from membrane-controlled systems?
What distinguishes monolithic transdermal systems from membrane-controlled systems?
- The lack of control over drug release rate
- The absence of a polymeric material
- The presence of a drug matrix layer (correct)
- The drug being dispersed in the backing layer
In a disperse system, what is the continuous phase also known as?
In a disperse system, what is the continuous phase also known as?
- Dispersion medium (correct)
- Dispersed phase
- External phase
- Internal phase
Which type of system contains insoluble solid particles dispersed in a liquid medium?
Which type of system contains insoluble solid particles dispersed in a liquid medium?
What is a common feature of pharmaceutical suspensions?
What is a common feature of pharmaceutical suspensions?
What is the main difference between an emulsion and a suspension?
What is the main difference between an emulsion and a suspension?
Which term is used interchangeably with oleaginous bases?
Which term is used interchangeably with oleaginous bases?
What type of bases are difficult to wash off due to water immiscibility?
What type of bases are difficult to wash off due to water immiscibility?
What effect do oleaginous bases have on the skin?
What effect do oleaginous bases have on the skin?
What is the main characteristic of vanishing creams?
What is the main characteristic of vanishing creams?
What characteristic makes oleaginous bases difficult to wash off from the skin?
What characteristic makes oleaginous bases difficult to wash off from the skin?
What is the major difference between ointment/cream and cream/gel?
What is the major difference between ointment/cream and cream/gel?
What is the primary function of an Unguator?
What is the primary function of an Unguator?
What is the ideal outcome for drug delivery in transdermal drug delivery systems?
What is the ideal outcome for drug delivery in transdermal drug delivery systems?
What is the purpose of geometric dilution in pharmacy?
What is the purpose of geometric dilution in pharmacy?
In which type of dosage forms is the skin considered the target organ for drug residence?
In which type of dosage forms is the skin considered the target organ for drug residence?
Which type of system consists of a gel mass with floccules of small distinct particles?
Which type of system consists of a gel mass with floccules of small distinct particles?
What distinguishes water-removable bases from absorption bases?
What distinguishes water-removable bases from absorption bases?
What is the title designation for dry powders intended for suspension in liquid vehicles?
What is the title designation for dry powders intended for suspension in liquid vehicles?
How does reducing the particle size in a suspension impact its stability?
How does reducing the particle size in a suspension impact its stability?
What happens if particle size is reduced too much in a suspensoid?
What happens if particle size is reduced too much in a suspensoid?
What is the purpose of preventing agglomeration of particles in a suspension?
What is the purpose of preventing agglomeration of particles in a suspension?
What type of preparation is designated as 'oral suspension'?
What type of preparation is designated as 'oral suspension'?
Which type of vehicle are drugs unstable in that leads to them being supplied as dry powder mixtures?
Which type of vehicle are drugs unstable in that leads to them being supplied as dry powder mixtures?
Why are certain drugs chemically unstable in solution?
Why are certain drugs chemically unstable in solution?
What dosage form exhibits the highest bioavailability according to the text?
What dosage form exhibits the highest bioavailability according to the text?
Why is taste masking easier to achieve in suspension than in solution?
Why is taste masking easier to achieve in suspension than in solution?
Why is the liquid form preferred over the solid form for many patients?
Why is the liquid form preferred over the solid form for many patients?
How is the disadvantage of a disagreeable taste in solution form overcome?
How is the disadvantage of a disagreeable taste in solution form overcome?
What property does erythromycin estolate possess that makes it suitable for preparing a palatable liquid dosage form?
What property does erythromycin estolate possess that makes it suitable for preparing a palatable liquid dosage form?
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