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 to D). Oil-soluble surfactantsQuestion 14Answera.They are always the main component in an oil-water emulsifying mixtureb.None of the answers are correctc.Have a high HLB valued.They can used to stabilise both oil-water and water-oil emulsions.

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 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

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

The third phase of an emulsion is the emulsifying agent. True False