10 Questions
Which of the following dosage forms is designed to stay in physical contact with the surface of application for a reasonable duration of time?
Ointments
Which semisolid dosage form incorporates a lipid or hydrophobic excipient and is intended for external application to the skin and other mucosal membranes?
Ointments
In which dosage form are unmedicated formulations frequently used as protectants or lubricants?
Ointments
Which semisolid dosage form is suitable for application through the eye, nose, ear, vagina, rectum, buccal tissue, or urethral membrane?
Ointments
Which type of semisolid dosage form is designed to change its shape upon the application of force?
Pastes
Which type of ointment base exerts an emollient effect when applied to the skin?
Petrolatum, USP
What is the function of oleaginous bases when applied to the skin?
They prevent the escape of moisture and remain on the skin for long periods
Which ointment base is preferred for use in cosmetics and pharmaceuticals due to less hypersensitivity compared to petrolatum?
White Petrolatum, USP (White Vaseline®)
What is the main characteristic of Water-Removable Bases ointments?
They are greasy and difficult to wash off due to immiscibility with water
What type of ointment base can incorporate water and aqueous preparations, but only in small amounts and with some difficulty?
Oleaginous Bases
This quiz covers the design and characteristics of liquid and semi-liquid dosage forms, including creams, ointments, lotions, and more. It is part of the Bachelor of Pharmacy (Honours) Year 2, Semester 1 at UNISZA.
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