Pharmaceutics: Drug Absorption and Formulations Quiz

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What types of emulsions can creams be classified as?

Water-based or oil-based

Oily or aqueous (correct)

Solid or liquid

Viscous or non-viscous

What is the term 'cream' reserved for in pharmacy?

External preparations (correct)

Internal preparations

Liquid preparations

Inhalation preparations

What type of emulsifying agents are used in water-in-oil creams (W/O)?

Natural origin, e.g. beeswax (correct)

Polyethylene glycol

Synthetic waxes

Mineral oils

According to the British Pharmacopoeia (BP) definition, what are creams intended for?

External use only Signup and view all the answers

Which type of creams are the best bases to use for rapid absorption and penetration of drugs?

Oil-in-water creams (aqueous creams) Signup and view all the answers

What is the purpose of levigation in the preparation of creams, ointments, pastes, and gels?

To add insoluble coarse powders into the base through wet grinding Signup and view all the answers

In the compounding procedure for creams, when are the components of the aqueous phase mixed?

After cooling the components of the oily phase to 60°C Signup and view all the answers

What is the advantage of water-in-oil creams over oil-in-water creams?

They provide an oily barrier that reduces water loss from the stratum corneum Signup and view all the answers

What is used as emulsifying agents in the preparation of oily creams?

Wool fat, wool alcohol, beeswax, and calcium soaps Signup and view all the answers

What is the main purpose of storing and supplying creams in well-closed containers?

To prevent microbial growth and contamination Signup and view all the answers

What factors influence percutaneous absorption?

Physiological factors and physicochemical factors Signup and view all the answers

Which type of creams are the best bases for rapid absorption and penetration of drugs?

W/O creams Signup and view all the answers

What is the main function of the skin in relation to chemicals?

Limiting the passage of chemicals into and out of the body Signup and view all the answers

Which type of oils result in better drug absorption compared to mineral oils?

Animal and vegetable oils Signup and view all the answers

What are the ideal properties of semi-solid dosage forms based on?

Physical, physiological, and application properties Signup and view all the answers

Which of the following is NOT a topic covered in the 'Aerosol, Ophth, Parenteral, Supp, and Semi-Solid Dosage Forms' student handout?

Formulation of parenteral dosage forms Signup and view all the answers

What is the main purpose of levigation in the preparation of semi-solid dosage forms?

To reduce the particle size of insoluble solids Signup and view all the answers

Pharmaceutics: Drug Absorption and Formulations Quiz

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Questions and Answers

What types of emulsions can creams be classified as?

What is the term 'cream' reserved for in pharmacy?

What type of emulsifying agents are used in water-in-oil creams (W/O)?

According to the British Pharmacopoeia (BP) definition, what are creams intended for?

Which type of creams are the best bases to use for rapid absorption and penetration of drugs?

What is the purpose of levigation in the preparation of creams, ointments, pastes, and gels?

In the compounding procedure for creams, when are the components of the aqueous phase mixed?

What is the advantage of water-in-oil creams over oil-in-water creams?

What is used as emulsifying agents in the preparation of oily creams?

What is the main purpose of storing and supplying creams in well-closed containers?

What factors influence percutaneous absorption?

Which type of creams are the best bases for rapid absorption and penetration of drugs?

What is the main function of the skin in relation to chemicals?

Which type of oils result in better drug absorption compared to mineral oils?

What are the ideal properties of semi-solid dosage forms based on?

Which of the following is NOT a topic covered in the 'Aerosol, Ophth, Parenteral, Supp, and Semi-Solid Dosage Forms' student handout?

What is the main purpose of levigation in the preparation of semi-solid dosage forms?

Which of the following is NOT an example of a semi-solid dosage form?

What is the purpose of storing creams in well-closed containers?

In which type of emulsion are water-in-oil creams classified?

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