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Liquid Dosage Forms (PH 203)

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Questions and Answers

Which type of liquid dosage form is characterized by particles that are not entirely dissolved and may settle over time?

Emulsions

Colloids

Solutions

Suspensions (correct)

Which of the following is a primary advantage of pharmaceutical solutions?

They require less active ingredient.

They are easy to administer and rapidly absorbed. (correct)

They do not require preservatives.

They have a longer shelf life than other forms.

Which ingredient is essential in the composition of pharmaceutical solutions?

Flavoring agents

Thickening agents

Active pharmaceutical ingredient (API) (correct)

Gelling agents

Which of the following is NOT a type of liquid dosage form covered in this course?

Gel capsules Signup and view all the answers

What is a significant disadvantage of using solutions as a pharmaceutical dosage form?

They have lower stability compared to solid dosage forms. Signup and view all the answers

What characteristic defines colloids in comparison to solutions and suspensions?

Colloids have particles that remain dispersed and do not settle. Signup and view all the answers

Which factor can significantly limit the effectiveness of pharmaceutical solutions?

pH level of the solution. Signup and view all the answers

Emulsions are primarily used to stabilize which of the following?

Oil and water mixtures. Signup and view all the answers

Study Notes

Lecture 1: Liquid Dosage Forms (PH 203)

This lecture covers liquid dosage forms, including solutions, emulsions, colloids, and suspensions.
Students will learn definitions, advantages, and disadvantages of solutions.
The lecture will detail the ingredients of pharmaceutical solutions.
Methods for overcoming limitations of solutions will be discussed.
A comparison of the properties of solutions, colloids, and suspensions will be provided.

Contact Information

Dr. Raafat El Sayed Abdel Rahim, Lecturer of Pharmaceutics & Industrial Pharmacy, Faculty of Pharmacy, Merit University.
Email: [email protected]
Website: www.su.edu.eg (Note: This might be a typo and should be verified)

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Description

This lecture focuses on liquid dosage forms such as solutions, emulsions, colloids, and suspensions. Students will explore the definitions, advantages, and limitations of these forms, along with the ingredients used in pharmaceutical solutions. A comparative analysis of solutions, colloids, and suspensions will also be provided.