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Pharmaceutical Solutions Overview

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Questions and Answers

What is the definition of a solution as a pharmaceutical dosage form?

A stable heterogeneous mixture of two or more components containing one or more solutes and excipients

A mixture of two or more solutes with one or more excipients

A stable homogeneous mixture of two or more components containing one or more solutes dissolved in one or more solvents (correct)

A mixture of two or more solvents with one or more solutes

Why is water commonly chosen as the solvent in pharmaceutical solutions?

Because it is non-toxic, non-irritant, tasteless, and relatively cheap (correct)

Due to its ability to enhance the stability of solutes

Because it is toxic and non-irritant

As it is relatively expensive and many drugs are water-soluble

What role do excipients play in pharmaceutical solutions?

They ensure rapid absorption of the medicinal products

They are responsible for maintaining the homogeneity of the solution

They act as solvents for the solutes

They are added to enhance the stability of the solution (correct)

Which component of a pharmaceutical solution is referred to as the solute?

The dissolved substance Signup and view all the answers

What are some advantages of pharmaceutical solutions?

Rapid and high absorption of soluble medicinal products Signup and view all the answers

Which substance is commonly chosen as the vehicle in which medicaments are dissolved in pharmaceutical solutions?

Water Signup and view all the answers

What is the purpose of a sweetening agent in elixirs?

To mask the unpleasant taste of the elixir Signup and view all the answers

What are the types of water used as a vehicle in pharmaceutical solutions?

Purified water and water for injections Signup and view all the answers

What is the purpose of a solvent ether in pharmaceutical solutions?

To aid in dissolving the therapeutic agent Signup and view all the answers

Which type of pharmaceutical solution is intended for oral use and generally contains a high proportion of sugar or sweetening agent?

Syrups Signup and view all the answers

What are the advantages of pharmaceutical solutions?

Flexible dosing and easy to be swallowed Signup and view all the answers

What is the purpose of preservatives in pharmaceutical solutions?

To prevent hydrolysis and oxidation of the drug Signup and view all the answers

What is the difference between vehicles and solvents in pharmaceutical solutions?

Solvents aid in dissolving therapeutic agents, whereas vehicles are used as a medium Signup and view all the answers

What type of water is generally used as a vehicle in pharmaceutical solutions?

Purified water Signup and view all the answers

What are the disadvantages of pharmaceutical solutions?

Drug stability is often reduced by hydrolysis or oxidation Signup and view all the answers

What are some examples of external solutions?

Lotions and liniments Signup and view all the answers