Sterilization Methods and Procedures Quiz
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Questions and Answers

What is one of the uses of microbes in pharmacy?

  • Manufacturing antibiotics (correct)
  • Developing electrical components
  • Creating synthetic polymers
  • Producing synthetic fuels

    • Which test is commonly used to determine antibiotic, vitamin, and amino acid concentrations?

  • Pyrogen and endotoxin testing
  • Ames mutagenicity test (correct)
  • Sterilization monitoring
  • Environmental monitoring

    • What is a potential harmful effect of microbes in pharmacy related to sterile medicines?

  • Improved sterilization methods
  • Enhanced microbial growth
  • Increased medicine effectiveness
  • Product deterioration (correct)

    • Which topic is associated with controlling antibiotic resistance in the context of microorganisms?

    <p>Immunology and infectious diseases (A)</p> Signup and view all the answers

    What is one of the roles of microbial genetics in pharmacy?

    <p>Providing a reservoir of antibiotic resistance genes (C)</p> Signup and view all the answers

    In pharmacy, what is an important aspect associated with microbial biofilms?

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

    What type of bacteria are primarily responsible for the production of dextrans?

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

    What is the molecular weight range of dextrans?

    <p>15,000 - 20,000,000 (A)</p> Signup and view all the answers

    How are dextrans commonly used in medical applications?

    <p>As plasma expanders (D)</p> Signup and view all the answers

    Which area in pharmaceutical microbiology focuses on preventing microbial contamination in drugs and sterile products?

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

    What is the main goal of sterilization in pharmaceutical preparations?

    <p>To eliminate all forms of life and biological agents (A)</p> Signup and view all the answers

    How do dextrans contribute to ulcerated wounds or burns?

    <p>By absorbing fluid exudates and forming a hydrophilic layer (D)</p> Signup and view all the answers

    What is the purpose of passing materials like scalpels through a flame multiple times?

    <p>To kill vegetative cells effectively (D)</p> Signup and view all the answers

    Why is incineration considered suitable only for certain materials?

    <p>It results in loss of material (A)</p> Signup and view all the answers

    What distinguishes hot air oven sterilization from flame sterilization?

    <p>Heat transfer by radiation, conduction, and convection (D)</p> Signup and view all the answers

    Which method is known for being limited to materials that can withstand exposure to flame?

    <p>Passing materials through a flame (B)</p> Signup and view all the answers

    What precaution must be taken when using a hot air oven for sterilization?

    <p>Having adequate insulation in the oven (C)</p> Signup and view all the answers

    Why is incineration recommended for materials like soiled dressings and animal carcasses?

    <p>Due to their nature and need for complete disposal (A)</p> Signup and view all the answers

    What is a disadvantage of using gamma rays for sterilization?

    <p>Leads to browning of glasswares (B)</p> Signup and view all the answers

    Why is Bacillus pumilus E601 used in the evaluation of sterilization processes?

    <p>To evaluate the sterilization process (C)</p> Signup and view all the answers

    What is the major purpose of filtration in sterilization?

    <p>To remove microorganisms (D)</p> Signup and view all the answers

    How does gamma irradiation impact the flavor of certain foods?

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

    What is the function of membrane filters with pore sizes between 0.2 - 0.45μm?

    <p>Remove particles from solutions (A)</p> Signup and view all the answers

    Why is sterilization by filtration considered different from other methods?

    <p>It separates out microorganisms without killing them (C)</p> Signup and view all the answers

    What is the purpose of using a HEPA filter in a biological safety cabinet?

    <p>To remove microbes from the air (A)</p> Signup and view all the answers

    What is the efficiency of HEPA filters when removing particles larger than 0.3 μm in diameter?

    <p>At least 99.97% (D)</p> Signup and view all the answers

    Which type of liquids are suitable for filtration using HEPA filters?

    <p>Sugar solutions (D)</p> Signup and view all the answers

    How is the efficiency of a HEPA filter monitored?

    <p>With the dioctylphthalate (DOP) particle test (A)</p> Signup and view all the answers

    In what type of areas are HEPA filters commonly used aside from biological safety cabinets?

    <p>Orthopedic implant procedure rooms (B)</p> Signup and view all the answers

    What role do aluminum separators play in HEPA filters?

    <p>Enhance the stability of the filter (C)</p> Signup and view all the answers

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