Biosafety and universal precautions

  • How are universal standard precautions used?

    Universal precautions are applicable to all patients, while standard precautions provide an additional layer of protection for those at higher risk of transmitting certain infections.
    Together, they create a comprehensive and effective strategy for reducing the risk of healthcare-associated diseases..

  • How is the concept of universal precautions explained?

    Universal precautions are safety precautions used with every client.
    Since you cannot identify every client who may transmit infection, you must treat all human body fluids as if they were known to be infectious..

  • What are 3 examples of universal precautions?

    For universal precautions, protective barriers reduce the risk of exposure to blood, body fluids containing visible blood, and other fluids to which universal precautions apply.
    Examples of protective barriers include gloves, gowns, masks, and protective eyewear..

  • What are examples of universal precautions?

    For universal precautions, protective barriers reduce the risk of exposure to blood, body fluids containing visible blood, and other fluids to which universal precautions apply.
    Examples of protective barriers include gloves, gowns, masks, and protective eyewear..

  • What are the 4 main universal precautions?

    Hand hygiene.
    Use of personal protective equipment (e.g., gloves, masks, eyewear).
    Respiratory hygiene / cough etiquette.
    Sharps safety (engineering and work practice controls)..

  • What are the 5 main universal precautions?

    Standard Precautions

    Hand hygiene.Use of personal protective equipment (e.g., gloves, masks, eyewear).Respiratory hygiene / cough etiquette.Sharps safety (engineering and work practice controls).Safe injection practices (i.e., aseptic technique for parenteral medications).Sterile instruments and devices..

  • What are the universal precautions for biosafety?

    Universal Precautions include frequent hand washing, no mouth pipetting, no food or drink in the lab and proper disposal of biohazardous/ medical waste, as well as the use of engineering controls and personal protective equipment (PPE)..

  • What are the universal safety precautions?

    Use barrier protection at all times.
    Use gloves for protection when working with or around blood and body fluids.
    Change glove between patients.
    Use glasses, goggles, masks, shields, and waterproof gowns/aprons to protect face from splashes..

  • What are three important universal precautions?

    Use barrier protection at all times.Use gloves for protection when working with or around blood and body fluids.Change glove between patients.Use glasses, goggles, masks, shields, and waterproof gowns/aprons to protect face from splashes.Wash hands if contaminated and after removing gloves..

  • What is standard or universal precautions and when is it used?

    Standard precautions are those which should always be applied when dealing with any patients, including TB patients.
    These include: Hand washing and antisepsis.
    The use of personal protective equipment (e.g. gloves) Appropriate handling of patient care equipment and soiled cloths..

  • What is the difference between BSL 3 and BSL 4?

    BSL-4 builds upon the containment requirements of BSL-3 and is the highest level of biological safety.
    There are a small number of BSL-4 labs in the United States and around the world.
    The microbes in a BSL-4 lab are dangerous and exotic, posing a high risk of aerosol-transmitted infections..

  • What is the new name for universal precautions?

    In 1987, the practice of universal precautions was adjusted by a set of rules known as body substance isolation.
    In 1996, both practices were replaced by the latest approach known as standard precautions.
    Use of personal protective equipment is now recommended in all health care settings..

  • What level of biosafety is universal precautions?

    Universal precautions are intended to prevent parenteral, mucous membrane, and non-intact skin exposures of health-care workers to bloodborne pathogens.
    Universal Precautions in a health care setting are similar to Biological Safety Level 2 (BSL 2) practices and procedures in a laboratory..

  • When did universal precautions become standard precautions?

    In 1996, the CDC Guideline for Isolation Precautions in Hospitals, prepared by the Healthcare Infection Control Practices Advisory Committee (HICPAC), combined the major features of Universal Precaution and Body Substance Isolation into what is now referred to as Standard Precautions..

  • When should you use universal precautions Why?

    Universal precautions are safety precautions used with every client.
    Since you cannot identify every client who may transmit infection, you must treat all human body fluids as if they were known to be infectious.
    Handwashing is the single most effective means of preventing the transfer of infection..

  • Where are universal precautions?

    Universal precautions are intended to prevent parenteral, mucous membrane, and nonintact skin exposures of health-care workers to bloodborne pathogens.
    In addition, immunization with HBV vaccine is recommended as an important adjunct to universal precautions for health-care workers who have exposures to blood (3,4)..

  • Where did universal precautions come from?

    Universal precautions were introduced by the Centers for Disease Control (CDC) in 1985, mostly in response to the human immunodeficiency virus (HIV) epidemic..

  • Who defines universal precautions?

    What are Bloodborne Pathogens? The Occupational Safety and Health Administration (OSHA) defines Universal Precautions as an approach to infection control to treat all human blood and body fluids as if they contain bloodborne pathogens..

  • Why universal precautions are so important?

    Universal precautions are intended to prevent parenteral, mucous membrane, and nonintact skin exposures of health-care workers to bloodborne pathogens.
    In addition, immunization with HBV vaccine is recommended as an important adjunct to universal precautions for health-care workers who have exposures to blood (3,4)..

  • Although developed for healthcare professionals, universal precautions should be taken by anyone who may have contact with blood or body fluids.
    It is recommended to call a bioremediation company to clean up a blood spill that is larger than a standard dinner plate.
  • Hand hygiene.
    Use of personal protective equipment (e.g., gloves, masks, eyewear).
    Respiratory hygiene / cough etiquette.
    Sharps safety (engineering and work practice controls).
  • Standard engineering controls in BSL-1 laboratories include easily cleaned surfaces that are able to withstand the basic chemicals used in the laboratory.
    BSL-2 laboratories are used to study moderate-risk infectious agents or toxins that pose a risk if accidentally inhaled, swallowed, or exposed to the skin.
  • The purpose of practicing universal precautions is twofold: universal precautions protect patients from further harm or infection, while simultaneously protecting the medical or first aid practitioner from contracting a bloodborne illness from an infected individual.
  • There are universal standard precautions are the minimum infection prevention steps defined by the CDC as[1]: Hand hygiene, proper washing of hands before and after patient contact.
    Use of appropriate protective equipment (i.e., gloves) before patient contact.
    Respiratory hygiene (i.e., covering your cough and sneeze)
  • Universal Precautions are guidelines developed by the Centers for Disease Control and Prevention (CDC) that protect healthcare workers from exposure to potentially infectious materials.
    Standard Precautions are a more comprehensive set of safety protocols used to protect healthcare workers and patients from infection.
  • Universal precautions are safety precautions used with every client.
    Since you cannot identify every client who may transmit infection, you must treat all human body fluids as if they were known to be infectious.
    Handwashing is the single most effective means of preventing the transfer of infection.
  • universal precautions is the type of infection transmission being prevented.
    For example, universal precautions are used to prevent the spread of blood transmitted infections; however, standard precautions are used to prevent the spread of infection through contact, airborne, and blood transmission.
Disease spreads by direct contact with sick individuals or infectious materials, or through indirect contact with contaminated surfaces or objects. By using universal precautions and treating all materials as infectious, the likelihood of exposure to an infectious agent is reduced.
Universal Precautions include frequent hand washing, no mouth pipetting, no food or drink in the lab and proper disposal of biohazardous/ medical waste, as well as the use of engineering controls and personal protective equipment (PPE).
Universal Precautions include frequent hand washing, no mouth pipetting, no food or drink in the lab and proper disposal of biohazardous/ medical waste, as well 

Perform Routine Sanitation

Maintain a clean workspace to prevent the risk of exposure and transmission of infectious agents.
Regularly disinfect personal lab spaces, reusable equipment, and commonly touched surfaces.

Practice Proper Hygiene

Disease spreads often through a lack of proper hand hygiene.
Wash hands with soap and water for 20 seconds or longer.
Hand washing should occur regularly throughout the day, including prior to leaving the lab, after restroom use, after having physical interactions with research participants, and after sneezing or coughing.

Prioritize Health

If performing studies with human participants or with blood and other potentially infectious materials, reducing transmission of diseases is a top priority, regardless of diagnosis or presumed infection status.

Should gloves be removed before deploying a biosafety unit?

Gloves must be removed before exiting the BSC, and after touching or handling contaminated materials.
Discuss the appropriateness of other alternatives, such as:

  • use of double gloves
  • with the Biosafety Officer before deploying as part of the protocol.
    Laboratory coats must be removed and hands thoroughly washed before leaving the laboratory.
  • Things to Avoid

    Do not eat, drink, or apply cosmetics in a research setting – eating, drinking, and applying cosmetics are strictly prohibited in a research area.
    These actions can increase the risk of exposure to.

    Treat All Human Material as Infectious

    Disease spreads by direct contact with sick individuals or infectious materials, or through indirect contact with contaminated surfaces or objects.
    By using universal precautions and treating all materials as infectious, the likelihood of exposure to an infectious agent is reduced.

    Use Proper Waste Streams

    Discard contaminated materials through designated waste channels.
    Refer to the Biological Waste pagefor additional details on identifying these streams.

    Wear Appropriate PPE & Clothing

    Use the standard precaution of wearing gloves and lab coat for direct contact with research animals, chemicals, or biological materials.
    All personnel must wear long pants and closed-toe shoes when in a research laboratory.
    Be cautious selecting sneakers.

    These shoes often have a mesh top which does not provide much protection.

    What are Biosafety practices & blocked routes?

    Table 1:

  • Biosafety practices and blocked routes exposure Biosafety Practice Routes of Exposure Blocked 1.
    Do not mouth pipette.
    Inhalation, ingestion, skin, and mucous membrane contact 2.
    Manipulate infectious fluids carefully to avoid spills and the production of aerosols.
  • What are the basic rules of biosafety?

    At a minimum, the seven basic rules of biosafety, based on the National Research Council’s Prudent Practicesdocument, should be the basis of any personal laboratory work ethic.
    They are noted in Table 1.
    Table 1:

  • Biosafety practices and blocked routes exposure Biosafety Practice Routes of Exposure Blocked 1.
    Do not mouth pipette.
  • What are universal precautions?

    Universal precautions are a standard set of guidelines to prevent the transmission of bloodborne pathogens from exposure to blood and other potentially infectious materials (OPIM).
    This activity reviews universal precautions and highlights the role of the interprofessional team in their application.
    Review the types of universal precautions.


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