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 (C)</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 (C)</p> Signup and view all the answers

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

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

What is required after precipitation of a drug from solution?

<p>Dissolution (A)</p> Signup and view all the answers

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

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

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

<p>Topical medicines (D)</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 (A)</p> Signup and view all the answers

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

<p>Airways (B)</p> Signup and view all the answers

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

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

What defines the number of components in a system?

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

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

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

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

<p>Two (B)</p> Signup and view all the answers

What characterizes a two component system?

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

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

<p>Temperature against composition (D)</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 (C)</p> Signup and view all the answers

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