Oral Liquid Flashcards
(36 cards)
Semipolqr solvents may induce certain degree of _______ in Nonpolar molecules and may improve their _____ in polar solvents
Polarity
Miscibility
Hydrocarbon and lipids cannot reduce attraction between ion of electrolyte and is said to have low ________
Dielectric constant
Compendial requirement for water used in solvent preparation is ______, as required by USP
Purified water
List 4 example of semi polar solvents
Ethanol
Glycol
Ketone
Ether
The second most common solvent used in oral liquid dosage form is ______
Alcohol
Both propylene glycol and Glycerin are alcohol solvent, they are _____, _____ and _____ liquid
Clear colorless viscous
Glycerin is a ______ alcohol without the _______ activity of ethanol
Tirol
CNS depressant
What solvent has humectant and preservative properties and is similar to ethanol in its solubilizing properties?p
Glycerin
Both glycerin and propylene glycol has _____ and _____ properties, and they both have no ____ activities
Humectant
Preservative
CNS
_____ is a polymer, it can range weight and physically can range from liquid to waxy.
PEG 400 NF
Pharmaceutical solution are almost always unsaturated or saturated?
Unsaturated
When heating drugs to increase the speed of dissolution, do not use concentration higher than the solubility at ______
Room temperature
Define cosolvent systems
The mixing of solvent of different polarities to form a solvent system of optimum polarity to dissolve the solute
The solvents in a cosolvent system must be _____ with on another
Miscible
The more soluble the drug, the _____ it’s dissolution rate
Faster
The solubility of a poorly soluble acidic substance is increased as the ____ of the medium is _____
PH
Increased
One advantage of oral solution is that the active ingredient does not need to undergo ______, therefore _______ is faster than capsule and tablet
Dissolution
Therapeutic response
One disadvantages of oral dosage form is its active ingredient are usually more susceptible to _______ , particularly ______ , than solid dosage form
Chemical degradation
Hydrolysis
Elixirs, spirits and tincture are example of ______ solution
Hydroalcoholic
Tap water may have _______, metal content which lead to less stability
Captopril
Compressed tablet may be made by three basic methods
Wet granulation
Dry granulation
Direct compression
Some granular chemicals, like potassium chloride possess free-flowing and adhesive properties that enable them to be compressed without any need for granulation, therefore _______ method is used
Direct compression
Syrups have low _______ for water soluble drug, it is often best dissolved in ____ quantity of water
Initial solvent capacity
Small
_______ inhibit oxidation by binding metal ions include did odium edetate and eidetic acid
Chelation agent