Laboratory Hazards Flashcards
Types of safety hazards
Biological, sharps, chemical, radioactive, electrical, fire/explosive, physical
Guidelines, regulations, and safety policies are mandated by
CDC, OSHA
What is CDC
Centers for Disease Control and Prevention
What is OSHA
Occupational Safety and Health Administration
-patients are considered as possible carriers of bloodborne pathogens
-Excluded urine and other body fluids not visibly contaminated by blood
Universal Precautions (UP) - 1987
- not limited to blood born pathogens
- all body fluids and moist body substances are possibly infectious
Body Substance Isolation (BSI)
Combination of UP and BSI guidelines
Standard Precautions
Standard Precautions
- Hand Hygiene
- Gloves
- Mouth, nose, and eye protection
- Gown
Use ____ mask during activities connected with mycobacterium exposure
N95
It is the hand washing and use of sanitizer
Hand hygiene
Donning of PPE
- Gown
- Mask
- Goggles
- Gloves
Doffing of PPE
- Gloves
- Gown
- Goggles
- Mask
Handwashing procedure
Wet, lather, scrub, rinse, and dry
In disposing biological waste, place all specimen (except urine) in a container with _____________
Biohazard symbol
Biologic waste should be:
Incinerated, autoclaved, or picked up by a licensed disposal company
How to discard urine?
Discard it in the sink, then flush with water, disinfect the sink (using 1:5 or 1:10 dilution of sodium hypochlorite) daily
How to discard urine?
Discard it in the sink, then flush with water, disinfect the sink (using 1:5 or 1:10 dilution of sodium hypochlorite) daily
Needles, lancets, and broken glassware are exampe of what hazard?
Sharp hazards
Possible injury from sharp hazards
Cuts, puncture, or blood borne exposure
If there’s skin contact, flush the area with large amount of water for atheist ___ minutes, then seek medical application
15
True or False
Chemicals should be mixed together
False
Meaning of NFPA
National fire protection association
Provides immediate general sense of hazards of a material in the severity of these hazards as they relate to emergency response
NFPA
A number rating system of ___ is provided to rate each of the 4 hazards
0-4
Meaning of MSDS
Material Safety Data Sheets
A document required by OSHA detailing safety information about each hazardous substance
MSDS
People exposed to radioactive hazards are required to wear a
Film badge
Two major electrical hazards in the lab
- Physical harm from laboratory shocks or burns when a person comes into contact with an electrical sources
- Dangers from fire caused by heat and sparks generated by malfunctioning wiring or equipment
3 elements of fire/explosive hazards
Heat, fuel, and oxidizing agent (usually oxygen
It naturally occurs when the elements are combined in the right mixture
Fire
Identify what class and extinguisher to use
Common materials wood, paper, clothing
Class A; water
Identify what class and extinguisher to use
Flammable organic chem, gas, alcohol, Solvent
Class B; dry chem, CO2, foam, halon
Identify what class and extinguisher to use
Electrical
Class C; dry chem, CO2, halon
Identify what class and extinguisher to use
Combustible chemicals/metals
Class D; sand or dry powder
Identify what class and extinguisher to use
Grease, oil, fats
Class K; liquids designed to prevent splashing and cool the fire
Fill in the blanks.
fire extinguishers
______- liquefied, compressed gas
______- pressurized water
______- carbon dioxide
______- dry chemicals
Halon - liquefied, compressed gas
A - pressurized water
BC - carbon dioxide
ABC - dry chemicals
