Pharmaceutics Questions

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Name a technological process, which consists of mixing or inclusion of the therapeutic substance with an excipient or their mixtures, typically as a matrix dosage form, in order to change the rate of release.

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Sweet (often colored) dilute alcohol-based, “hydroalcoholic”, liquid used in the compounding of drugs to be taken by mouth in order to improve palatability.

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The process of separating the lighter particles of a powder from the heavier ones by means of an upward-directed stream of fluid


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Name a substance that loses water to form a lower hydrate or becomes anhydrous spontaneously.

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The process of separating the lighter particles of a powder from the heavier ones by means of an up- ward-directed stream of fluid (gas or liquid).


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Technological process, which consists of mixing or inclusion of the therapeutic substance with an excipient or their mixtures,

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Process of enclosing a drug in a (micro or nano) particle (capsule, liposome, polymer).

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Non-fluid colloidal network or polymer network that is expanded throughout its whole volume by a fluid.


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Solutions (aqueous or oily), emulsions, or suspensions for rectal administration of medicaments for cleansing, diagnostic, or therapeutic purposes.

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Used on tablets, granules, pellets, and capsules to make them resistant to gastric fluids but designed to disintegrate, disrupt, or dissolve when the preparation enters the duodenum.

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Use of products containing genetic material (e.g., pDNA, antisense DNA, si RNA) to treat a disease or condition, or to modify or manipulate the expression of genetic material or to alter the biological properties of living cells.

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Summary of operations carried out to convert a pharmacologically active compound into a dosage form suitable for administration.


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Powder particles, which have been aggregated to form larger irregular particles, usually of 0.5–2 mm diameter.

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The Process of contact and adhesion whereby particles in dispersion form larger-size clusters.

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Process in which powder particles are made to aggregate to larger particles called granules.


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An aqueous solution used for the prevention and treatment of mouth and throat infections.

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Pace at which a drug along with the stomach content leaves and enters the duodenum.

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Time required for the concentration of a reactant in a given reaction to reach a value that is the arith- metic mean of its initial and final (equilibrium) values.

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Crystalline form of a compound in which water molecules are part of the crystal structure.

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Insertion or grafting of a biological, living, inert, or radioactive material into the body.