Particle Sizing Methods Quiz
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Questions and Answers

What is the preferred technique when determining particle sizes ranging from 0.2 to 100 microns?

  • Microscopy with calibrated grid background
  • Sedimentation Rate
  • Image Analyzer
  • Electron Microscopy (correct)
  • What method involves measuring the terminal settling velocity of particles through a liquid medium to determine particle size?

  • Image Analyzer
  • Electron Microscopy
  • Microscopy with calibrated grid background
  • Sedimentation Rate (correct)
  • Which technique is used for sizing particles in the range of 1-3000 microns?

  • Microscopy with calibrated grid background (correct)
  • Electron Microscopy
  • Image Analyzer
  • Sedimentation Rate
  • How is the size distribution of particles analyzed when using microscopy with a calibrated grid background?

    <p>By using an image analyzer</p> Signup and view all the answers

    What is the range of particle sizes that sedimentation rate can calculate using Stokes’ Law?

    <p>0.8 to 300 microns</p> Signup and view all the answers

    How are trace metals in drug, solvent, container, or stopper eliminated to prepare stable solutions of oxidizable drugs?

    <p>By using specialized agents that complex or bind metals</p> Signup and view all the answers

    Which type of stability testing involves 6 months study at 40°C with 75% relative humidity?

    <p>Accelerated Stability Testing</p> Signup and view all the answers

    What is the purpose of Stress Testing in pharmaceutical stability testing?

    <p>To determine the most stable formulation for a drug product</p> Signup and view all the answers

    What does a tightly-closed container protect the contents from?

    <p>Efflorescence, deliquescence, and evaporation</p> Signup and view all the answers

    What is the purpose of using Single-unit Packages in medication?

    <p>To maintain and utilize the medication conveniently and sanitarily</p> Signup and view all the answers

    What is the purpose of a child-resistant container?

    <p>To make it difficult for children under 5 years of age and adults to access harmful contents</p> Signup and view all the answers

    Which method is employed to eliminate trace metals in pharmaceutical products?

    <p>Purification of source of contaminant</p> Signup and view all the answers

    Which plastic material mentioned in the text has excellent transparency, luster, and can be sterilized with gamma radiation?

    <p>APET &amp; PETG</p> Signup and view all the answers

    What must be examined in the proposed plastic packaging according to the text to determine its tendency in relation to active pharmacologic agents or pharmaceutical excipients?

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

    Which is NOT a pharmacist responsibility in compounding and dispensing of drugs as stated in the text?

    <p>Simplify formulations by avoiding necessary adjuvants when compounding less concrete information prescriptions</p> Signup and view all the answers

    True or False: As per the USP definition, room temperature falls between 30°C and 40°C.

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

    Based on the text, which statement about dyes used in products is correct?

    <p>90% of dyes used are synthesized from derivative of benzene (aniline)</p> Signup and view all the answers

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