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Pharm 124 Final Exam Questions And Answers
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Pharm 124 Final Exam Questions And AnswersWhat type of emulsions can be used for I.V - ANSWER o/w
What type of emulsion is usually used for intramuscular administration - ANSWER w/o
Type of emulsifier used depends on: - ANSWER toxicity and route of administration
At what point does micelle formation start - ANSWER At the CMC (critical micelle
concentration)
True or false: ionic surfactants form micelles at lower concentrations than non-ionic -
ANSWER False
In situ soaps always make what type of emulsion - ANSWER o/w
required potency for transdermal drugs - ANSWER 25mg/day or less
What type of patch is nicoderm - ANSWER Matrix type
What types of patches can you cut - ANSWER Matrix type and drug in adhesive type
pH of skin - ANSWER 5.5
Are creams and ointments single phase? - ANSWER Ointment is single phase and cream
is 2 phase (have both water and oil phases)
, Are hydrocarbon bases able to be washed off by water? - ANSWER No
True or false: difference between ointment and cream is the viscosity - ANSWER False:
it is single phase vs 2 phase
What type of base uses lanolin - ANSWER Absorption
What to look for when determining if its a paste - ANSWER Lots of solid, up to 50%
What type of water washable base is anhydrous but is water washable - ANSWER
Hydrophilic base
What is incorporation in terms of compound compound creams - ANSWER mixing of
more than one semisolid formulation
Order of fusion and incoporation - ANSWER Fusion first then incorporation
What types of semisolids use a combination of fusion and incorporation - ANSWER
emulsions
What type of method is used to make pastes - ANSWER incorporation
Should you use occulsion for corticosteroids - ANSWER yes
What is a corticosteroid used for - ANSWER inflammation
Example of a penetration enhancer - ANSWER propylene glycol
What classes of corticosteroids can be used on the face - ANSWER 6 and 7
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