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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