T2 - Non-Sterile Labs 5-8 Flashcards
What’s zinc oxide’s use in zinc oxide paste?
Astringent, protective agent
What’s mineral oil’s use in zinc oxide paste?
Wetting agent
What’s white wax’s use in zinc oxide paste?
Stiffening agent
What’s white petrolatum’s use in zinc oxide paste?
Ointment base
What’s starch’s use in zinc oxide paste?
Bulking agent
What is the BUD for zinc oxide paste?
6 months
What is the auxiliary label for zinc oxide paste?
For external use only
What is the therapeutic use for zinc oxide paste?
Anti-irritation, anti-inflammatory
What preparation technique is used for zinc oxide paste?
Levigation on an ointment slab
What are the methods of forming a primary emulsion?
Dry gum method and wet gum method
What is the difference between dry and wet gum method?
Dry: oil phase is added to acacia first
Wet: Wetting agent is used and water is added to acacia first
What is a primary emulsion?
The initial emulsion formed with prescribed ratio of ingredients
What is the ingredient ratio for primary acacia emulsions with fixed oils?
4:2:1
What is the ingredient ratio for primary acacia emulsions with volatile and essential oils?
3:2:1 or 2:2:1
Why do we use Porcelain mortar and pestle for emulsions?
It provides a good amount of shear to maximize the formation of an emulsion
What is nascent soaps?
Use of hard and soft soaps (lime water and olive oil)
What are non-ionic surfactants?
Tween and Spans
What’s the use of castor oil in a castor oil emulsion?
Laxative, oleaginous base
What’s the use of acacia in a castor oil emulsion?
Stabilizer
What’s the use of water in a castor oil emulsion?
Aqueous base
What is castor oil emulsion’s therapeutic use?
Laxative, Constipation
What is the BUD for castor oil emulsion?
14 days
What is the auxiliary label for castor oil emulsions?
Shake well
What is pluronic?
Poloxamers that consist of hydrophobic and hydrophilic elements
What method is used to prepare lidocaine diphenhydramine gel?
Titration
What is lidocaine HCl’s use in lidocaine diphenhydramine gel?
Local anaesthetic
What is lidocaine HCl’s use in lidocaine diphenhydramine gel?
Local anesthetic
What is diphenhydramine HCl’s use in lidocaine diphenhydramine gel?
Antihistamine
What is lipoil’s use in lidocaine diphenhydramine gel?
Penetration enhancer, emollient, emulsifier
What is 20% poloxamer gel’s use in lidocaine diphenhydramine gel?
Vehicle