18 Questions
What is the primary function of a wetting agent in a pharmaceutical formulation?
To facilitate uniform mixing and incorporating the active ingredient into the base
What is the term for the vehicle that holds the active ingredient(s) together and helps to deliver them to the desired location in the body?
Base
What is a common use of compounded creams in clinical practice?
All of the above
Which of the following is an example of a base used in ointment formulations?
White petrolatum
What is the primary difference between a cream and an ointment?
The vehicle used to deliver the active ingredient
What is a common application of compounded ointments in veterinary medicine?
Veterinary medications
What is a primary purpose of topical preparations?
To protect skin from external factors
What is an advantage of topical preparations?
Non-invasive route of administration
What is a disadvantage of compounded topical formulations?
Some patients may develop contact dermatitis
What is the primary purpose of emollients in topical preparations?
To soften and hydrate the skin
What is the main difference between ointments and creams?
Ointments are water-in-oil emulsions, while creams are oil-in-water emulsions
Why may topical preparations be preferred over oral formulations?
To reduce the risk of gastrointestinal side effects
What is the primary difference between o/w and w/o emulsions?
The direction of the emulsion, with oil or water as the external phase
What is the primary function of a suspending vehicle in a non-sterile compounded cream formulation?
To suspend the active ingredient in the vehicle
What is the primary difference between ointments and creams?
The ratio of oil to water
What is the primary function of a base vehicle in a non-sterile compounded ointment formulation?
To provide a medium for the active ingredient
What is the general Beyond Use Date (BUD) for non-preserved aqueous dosage forms?
14 days
What is the primary function of a preservative in a non-sterile compounded formulation?
To prevent the growth of microorganisms
Test your knowledge on compounding ointments and creams, including percentage preparations, counseling points, and advantages of topical preparations. This quiz covers the basics of pharmacy calculations and patient counseling.
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