MLT with comprehensive questions and answers
What are the three classifications of laboratory hazards?✔️✔️Physical, Chemical and Biological
What governmental agency is responsible for enforcing safety regulations in the
workplace?✔️✔️OSHA
What class of biological safety cabinet is most commonly used in clinical laboratories?✔️✔️Class
II
What personal protective equipment is commonly worn when working in the biological
laboratory? List four items✔️✔️1. Gloves 2. Fluid-resistant gowns 3. Face shields or masks 4.
Goggles or safety glasses
PPE✔️✔️specialized clothing or equipment used by workers to protect from direct exposure to
blood or other potentially infectious or hazardous materials
material safety data sheet (MSDS)✔️✔️written safety information that must be supplied by
manufacturers of chemicals and hazardous materials
Occupational Safety and Health Act (OSH Act)✔️✔️Congressional Act of 1970 created to help
reduce on-the-job illnesses, injuries, and deaths and requiring employers to provide safe working
conditions
Chemical Hygiene Plan✔️✔️comprehensive written safety plan detailing the proper use and
storage of hazardous chemicals in the workplace
, National Institute for Occupational Safety and Health (NIOSH)✔️✔️federal agency responsible
for workplace safety research and that makes recommendations for preventing work-related
illness and injury
antiseptic✔️✔️chemical used on living tissue to control the growth of infectious agents
bloodborne pathogens (BBP)✔️✔️pathogens that can be present in human blood (and blood-
contaminated body fluids) and that cause disease
biohazard✔️✔️risk or hazard to health or the environment from biological agents
disinfectant✔️✔️chemical used on inanimate objects to kill or inactivate microbes
aerosol✔️✔️liquid in the form of a very fine mist
exposure control plan✔️✔️a plan identifying employees at risk of exposure to bloodborne
pathogens and providing training in methods to prevent exposure
How have biological safety rules changed in recent decades? Why have they become more
stringent?✔️✔️As the hazard of transmitting agents such as HIV and hepatitis B and C viruses
became recognized, more stringent biological safety procedures were mandated.
List the components of an exposure control plan.✔️✔️1. Standard Precautions 2. PPE 3.
Engineering controls 4. Work practice controls
What personal protective equipment is commonly worn when working in the biological
laboratory? List four items.✔️✔️1. Gloves 2. Fluid-resistant gowns 3. Face shields or masks 4.
Goggles or safety glasses
Name four common laboratory disinfectants and two antiseptics. Explain when and how
antiseptics and disinfectants should be used.✔️✔️dilute chlorine bleach (hypochlorite), 1:10
What are the three classifications of laboratory hazards?✔️✔️Physical, Chemical and Biological
What governmental agency is responsible for enforcing safety regulations in the
workplace?✔️✔️OSHA
What class of biological safety cabinet is most commonly used in clinical laboratories?✔️✔️Class
II
What personal protective equipment is commonly worn when working in the biological
laboratory? List four items✔️✔️1. Gloves 2. Fluid-resistant gowns 3. Face shields or masks 4.
Goggles or safety glasses
PPE✔️✔️specialized clothing or equipment used by workers to protect from direct exposure to
blood or other potentially infectious or hazardous materials
material safety data sheet (MSDS)✔️✔️written safety information that must be supplied by
manufacturers of chemicals and hazardous materials
Occupational Safety and Health Act (OSH Act)✔️✔️Congressional Act of 1970 created to help
reduce on-the-job illnesses, injuries, and deaths and requiring employers to provide safe working
conditions
Chemical Hygiene Plan✔️✔️comprehensive written safety plan detailing the proper use and
storage of hazardous chemicals in the workplace
, National Institute for Occupational Safety and Health (NIOSH)✔️✔️federal agency responsible
for workplace safety research and that makes recommendations for preventing work-related
illness and injury
antiseptic✔️✔️chemical used on living tissue to control the growth of infectious agents
bloodborne pathogens (BBP)✔️✔️pathogens that can be present in human blood (and blood-
contaminated body fluids) and that cause disease
biohazard✔️✔️risk or hazard to health or the environment from biological agents
disinfectant✔️✔️chemical used on inanimate objects to kill or inactivate microbes
aerosol✔️✔️liquid in the form of a very fine mist
exposure control plan✔️✔️a plan identifying employees at risk of exposure to bloodborne
pathogens and providing training in methods to prevent exposure
How have biological safety rules changed in recent decades? Why have they become more
stringent?✔️✔️As the hazard of transmitting agents such as HIV and hepatitis B and C viruses
became recognized, more stringent biological safety procedures were mandated.
List the components of an exposure control plan.✔️✔️1. Standard Precautions 2. PPE 3.
Engineering controls 4. Work practice controls
What personal protective equipment is commonly worn when working in the biological
laboratory? List four items.✔️✔️1. Gloves 2. Fluid-resistant gowns 3. Face shields or masks 4.
Goggles or safety glasses
Name four common laboratory disinfectants and two antiseptics. Explain when and how
antiseptics and disinfectants should be used.✔️✔️dilute chlorine bleach (hypochlorite), 1:10
