Pharmaceutical Solutions Overview
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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?

    <p>The dissolved substance</p> Signup and view all the answers

    What are some advantages of pharmaceutical solutions?

    <p>Rapid and high absorption of soluble medicinal products</p> Signup and view all the answers

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

    <p>Water</p> Signup and view all the answers

    What is the purpose of a sweetening agent in elixirs?

    <p>To mask the unpleasant taste of the elixir</p> Signup and view all the answers

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

    <p>Purified water and water for injections</p> Signup and view all the answers

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

    <p>To aid in dissolving the therapeutic agent</p> 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?

    <p>Syrups</p> Signup and view all the answers

    What are the advantages of pharmaceutical solutions?

    <p>Flexible dosing and easy to be swallowed</p> Signup and view all the answers

    What is the purpose of preservatives in pharmaceutical solutions?

    <p>To prevent hydrolysis and oxidation of the drug</p> Signup and view all the answers

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

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

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

    <p>Purified water</p> Signup and view all the answers

    What are the disadvantages of pharmaceutical solutions?

    <p>Drug stability is often reduced by hydrolysis or oxidation</p> Signup and view all the answers

    What are some examples of external solutions?

    <p>Lotions and liniments</p> Signup and view all the answers

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