Choose the correct answer (A to D). Oil-soluble surfactantsQuestion 3Answera.None of the answers are correctb.Have a high HLB valuec.They can used to stabilise both oil-water and water-oil emulsions.d.They are always the main component in an oil-water emulsifying mixture

Choose the correct answer (A to E). A water in oil emulsionQuestion 8Answera.Has water as the continuous phaseb.Has a greasy texturec.Uses an emulsifier mixture with a relatively high HLB when compared to the HLB of an emulsifier used in an oil-water emulsiond.None of the answers are correct.

Choose the correct answer (A-D). Parenteral emulsion formulationsQuestion 13Answera.Use non-ionic emulsifying agentsb.Are generally water in oil emulsionsc.Usually a purified vegetable oil is used in the oily phased.All of the answers are correct

Which of the following directly influences the in vitro physical stability of an oil-in-water emulsion inwhich the drug is incorporated in the dispersed phase?a. Amount of preservative addedb. Molecular weight of the drugc. Solubility of the emulsifier in waterd. Particle size of the internal phasee. Type of suspending agent use

ith regard to the following formula , __________ surfactant is the emulsifying agent .IngredientsMaster FormulaScaled formula (50 g)Yellow beeswax5 g Liquid paraffin15 g Borax (sodium borate)2.5 g Water4.75 g Question 6AnswerCationic Bentonite Nonionic Anionic Natural

Which of the following define or describe an emulsion? Select all answer choices that apply A. the internal phase is the dispersed phase B. none of these are correct so this is the answer C. a liquid dispersed throughout another liquid in which it is not soluble or with which it is not miscible D. the external phase is the vehicle or the continuous phase