Pharmaceutical Formulation Processes Quiz
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Questions and Answers

What is the term for the composition at the eutectic point in the lead-silver system?

  • Primary composition
  • Binary composition
  • Transition composition
  • Eutectic composition (correct)
  • At the eutectic point, how many phases coexist in the lead-silver system?

  • One phase
  • Two phases
  • Four phases
  • Three phases (correct)
  • In a three-component system, what does a point on any side of the triangle represent?

  • Pure component
  • Mixture of all three components
  • Mixture of two components (correct)
  • Single component mixture
  • What do relative quantities of components in a mixture in a three-component system relate to?

    <p>Relative distance from sides of the triangle</p> Signup and view all the answers

    Which physicochemical properties determine a drug's capacity to undergo phase transitions post-administration?

    <p>Drug's melting point and solubility</p> Signup and view all the answers

    In drug delivery, what is the first phase after administration?

    <p>Release into physiological fluids</p> Signup and view all the answers

    What is required after precipitation of a drug from solution?

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

    Which factor influences the rate of dissolution of drugs administered in solid phase?

    <p>Physiological fluid pH</p> Signup and view all the answers

    In which type of formulation is melting point crucial to consider?

    <p>Topical medicines</p> Signup and view all the answers

    What is important in the formulation of medicines that release vapor for inhalation?

    <p>API release at room temperature</p> Signup and view all the answers

    Which drug administration route involves gas absorption of APIs into the bloodstream?

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

    Why is dissolution into physiological fluids important for drugs administered in solid phase?

    <p>To facilitate absorption</p> Signup and view all the answers

    What defines the number of components in a system?

    <p>The chemically distinct constituents</p> Signup and view all the answers

    In a vaporization curve, what does the curve OA represent?

    <p>Equilibrium between water and vapor</p> Signup and view all the answers

    When two immiscible liquids like benzene and water are combined, how many phases are formed?

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

    What characterizes a two component system?

    <p>Two independent components present in a heterogeneous system</p> Signup and view all the answers

    In the context of drug formulation, what does the degree of freedom represent?

    <p>Number of variables needed to define equilibrium</p> Signup and view all the answers

    What does a T-C diagram represent in a phase diagram?

    <p>Temperature against composition</p> Signup and view all the answers

    How many forms of equilibria exist in a single-component (C=1) system such as water?

    <p>Three forms</p> Signup and view all the answers

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