UP PHARMACEUTICAL DOSAGE FORMS QUESTIONS AND ANSWERS

UP PHARMACEUTICAL DOSAGE FORMS QUESTIONS AND ANSWERS 1. Aromatic water, also known as medicated waters, maybe prepared by triturating the volatile oil with: A. Acacia B. Talc C. Kaolin D. NOTA Aromatic waters are clear, saturated aqueous solution of volatile oils or other aromatic or volatile substances. They may be prepared by distillation or solution of the aromatic substance with or without the use of a dispersing agent such as talc. 5. Which of the following is an anionic emulsifying agent? A. Benzalkonium chloride B. Sodium lauryl sulphate C. Polyethylene glycol D. Magnesium trisilicate Anionic emulsifying agents include various monovalent, polyvalent and organic soaps such as triethanolamine oleate and sulfonates such as sodium lauryl sulphate. Benzalkonium chloride is a cationic emulsifiers include sorbitan esters and the polyoxyethylene derivatives 2. This term refers to the process of grinding substances to a very fine powder: A. Levigation B. Trituration C. Sublimation D. Percolation E. Maceration Among the choices, only trituration and levigation are methods of particle size reduction. Trituration refers to the process of reducing substances to a finer state through the use of mortar and pestle. Levigation involves rubbing the paste formed by the addition of a suitable nonsolvent to the solid material in a mortar with pestle. 3. Cold Cream, USP is also known as: A. Petrolatum Rose Water Ointment B. Vanishing Cream C. Wool fat Ointment D. Rose Water Ointment Cold Cream is also known as Petrolatum Rose Water Ointment USP XVI. It is composed of cetyl esters wax, white wax, mineral oil, sodium borate and purified water 4. The following are processes of extraction except: A. Maceration B. Digestion C. Comminution D. Decoction E. Percolation