Hospital Antiseptics and Disinfectants
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Questions and Answers

What type of agents are iodophor and triclosan?

  • Sterilizing agents
  • Antiviral agents
  • Non-sterilizing agents (correct)
  • Antibacterial agents
  • At what concentrations are alcohols effective as antiseptics?

  • 40-70%
  • 60-90% (correct)
  • 80-95%
  • 30-50%
  • What is the purpose of glutaraldehyde and ethylene oxide?

  • Cleaning medical equipment
  • Deodorizing medical equipment
  • Disinfecting medical equipment
  • Sterilizing medical equipment (correct)
  • What is the main difference between iodophor and tincture of iodine?

    <p>Iodophor is a complex of iodine, while tincture of iodine is a solution.</p> Signup and view all the answers

    Which of the following is NOT a non-sterilizing agent?

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

    Which of the following is NOT a type of non-sterilizing agent used in hospitals?

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

    What is the primary advantage of using iodophor over tincture of iodine?

    <p>Iodophor is less irritating to skin</p> Signup and view all the answers

    Which of the following is NOT a characteristic of alcohols as antiseptics?

    <p>Can be used to sterilize medical equipment</p> Signup and view all the answers

    What is the primary use of chlorhexidine in hospitals?

    <p>Antiseptic skin preparation</p> Signup and view all the answers

    What is the main advantage of using glutaraldehyde over ethylene oxide for sterilizing medical equipment?

    <p>There is no significant advantage</p> Signup and view all the answers

    What term is used to describe the removal or destruction of all forms of microbial life?

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

    What is the term for the destruction of vegetative pathogens?

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

    What type of treatment is intended to lower microbial counts on eating and drinking utensils to safe public health levels?

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

    What term describes the absence of significant contamination?

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

    What is the goal of disinfection?

    <p>To reduce microbial counts to safe levels</p> Signup and view all the answers

    What is the main difference between sterilization and disinfection?

    <p>Sterilization eliminates all microbial life, while disinfection reduces microbial counts</p> Signup and view all the answers

    What is the primary function of the plasma membrane in a cell?

    <p>To regulate the exchange of materials</p> Signup and view all the answers

    Which of the following is a factor in selecting disinfectants in hospitals?

    <p>Presence of organic matter</p> Signup and view all the answers

    What is the purpose of sterilization?

    <p>To kill all microorganisms</p> Signup and view all the answers

    Which method of sterilization uses heat to coagulate proteins?

    <p>Moist heat</p> Signup and view all the answers

    What is the purpose of direct flaming?

    <p>To dry heat sterilize</p> Signup and view all the answers

    Which structure is responsible for maintaining cell shape and providing structural support?

    <p>Cell wall</p> Signup and view all the answers

    Commercial sterilization is a limited heat treatment to destroy which microorganism's endospores?

    <p>Clostridium botulinum</p> Signup and view all the answers

    What is the typical rate of microbial death when treated with antimicrobial chemicals?

    <p>Cells in a population die at a constant rate</p> Signup and view all the answers

    MOST disinfectants work better in which type of solutions?

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

    Damage to which structure causes cellular contents to leak into the surrounding medium?

    <p>Plasma membrane</p> Signup and view all the answers

    What is the primary mechanism of commercial sterilization?

    <p>Heat treatment</p> Signup and view all the answers

    What is the purpose of sterilization in infection control?

    <p>To reduce the risk of infection transmission</p> Signup and view all the answers

    What is the term for the lowest temperature at which all microorganisms in a particular liquid suspension are killed in 10 minutes?

    <p>Thermal death point</p> Signup and view all the answers

    Which type of heat sterilization involves the use of dry heat?

    <p>Dry heat sterilization</p> Signup and view all the answers

    What is the purpose of soaps in infection control?

    <p>To mechanically remove microbes</p> Signup and view all the answers

    Which type of agents injure plasma membranes and were first used by Lister to control surgical infections?

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

    What is the primary mechanism of action of biguanides and quats?

    <p>Mechanically removing microbes</p> Signup and view all the answers

    Which of the following is a type of sterilization method?

    <p>Moist heat sterilization</p> Signup and view all the answers

    What is the recommended optimum concentration of ethanol to use as a biocide?

    <p>100%</p> Signup and view all the answers

    Which of the following includes the cationic detergents?

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

    Which liquid chemical disinfectant is also used for embalming?

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

    What type of liquid chemical sporicide is peracetic acid?

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

    What is the purpose of using glutaraldehyde as a sterilizing agent?

    <p>to achieve sterilization of medical equipment</p> Signup and view all the answers

    What is the primary advantage of using glutaraldehyde over other sterilizing agents?

    <p>it is a sterilizing agent for medical equipment</p> Signup and view all the answers

    Study Notes

    . Hospital Antiseptics and Disinfectants: - Non-Sterilizing Agents: Iodophor (iodine complex) vs. tincture of iodine, triclosan, chlorhexidine. - Alcohols: Effective at concentrations of 60-90%. - Sterilizing Agents: Glutaraldehyde and ethylene oxide are used for sterilizing medical equipment.

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    Description

    Compare and contrast different types of antiseptics and disinfectants used in hospitals, including iodophors, triclosan, chlorhexidine, and alcohols. Learn about their effectiveness and uses in sterilizing medical equipment.

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