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PHA 327 - Exam 2 - Ointments 1
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What are ointments?
soft, semisolid preparations intended for external application
What is a soft semi-solid preparation intended for external application?
Ointment
What were the two examples in class of medicated ointments?
Sulfur ointment
Zinc oxide ointment
What was the example given in class for a non-medicated ointment?
White ointment
What is another term for non-medicated ointment?
Ointment base
What are ointment bases used for?
Emollient or lubricating agent
Protective barriers
Vehicles
What are the four classifications of ointment bases?
Hydrocarbon
Absorption
Water-removable
Water-Soluble
What is another term for a hydrocarbon base?
Oleaginous
What are the six characteristics of hydrocarbon bases (from class)?
Have an emollient effect
Used for occlusive dressings
Difficult to wash off
Stains clothing
Can be protective with water labile drugs
Water is not easily incorporated
What is an occlusive dressing?
One that traps water in the skin
What is a non-occlusive dressing?
One that allows water to escape the skin
What were the five examples of Hydrocarbon bases described in class?
Petrolatum USP
Yellow ointment
White ointment
Paraffin NF
Mineral oil USP
Mineral oil USP, Paraffin NF, White ointment, Yellow ointment, Petrolatum USP are all what type of ointment base?
Hydrocarbon/Oleaginous bases
What is the melting point of Petrolatum USP?
38-60 degrees C
What oleaginous base melts at 38-60 degrees C?
Petrolatum USP
What is the commercial name for Petrolatum USP?
Vaseline
What is petroleum USP made of?
semisolid hydrocarbons
What is Yellow ointment made of?
95% (w/w) petrolatum
5% (w/w) Yellow wax
What is White ointment made of?
95% (w/w) petrolatum
5% (w/w) White wax
What is paraffin made of?
Purified sold hydrocarbons obtained from petroleum
What is paraffin used for?
stiffen oleaginous semisold ointment bases
What oleaginous base is used to stiffen semisolid oleaginous bases?
Paraffin
Mineral oil is composed of what?
Liquid hydrocarbons obtained from petroleum
What is Mineral oil USP used for?
Levigating agent
What is also known as liquid petroleum?
Mineral oil USP
What is Levigating?
Reduce to a fine powder or smooth paste
What is the term for the process of reducing to a fine powder or smooth paste?
Levigating
What oleaginous base is used as a levigating agent?
mineral oil USP
Author
kyleannkelsey
ID
214734
Card Set
PHA 327 - Exam 2 - Ointments 1
Description
PHA 327 - Exam 2 - Ointments 1
Updated
4/21/2013, 4:19:17 AM
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