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UND 362 safety
| Question | Answer |
|---|---|
| What are the 4 govt. agencies responsible for safety | OSHA, CAP (college of am. pathols', CLIA (Clinical lab improv. amendments, JHACO (joint commision for accreditaion of health care org.) |
| What 4 fed. Laws govern safety | DOT, OSHA, EPA, NRC (nuclear regulatory commission) |
| The hazard communication standard is? | "employees given all info they need" to be safe |
| The four colors of the NFPA chemical label are and each indicates what | Blue (left), Red (top), Yellow (right), White (bottom) blue/health, red/flammability, yellow/reactivity, white/specific info or hazard |
| On chemical labels the higher the number indicates? | a more extreme situation. |
| NFPA stands for what? | National fire prevention association |
| The fire triangle consists of what 4 items | Air, heat, fuel, fire (chem. reaction) |
| How many classes of fire are there and what are each | 5 (A-D & K) A=standard materials (ie paper), B= liquid (gases/liquids), C=electrical, D=metals (lithium magnesuim) K=vege oil |
| What are the 4 classes of fire extinquishers and what does each work on | A=water based (used on class A fires), B=CO2 (used on class B&C fires {gases & electrical})C=dry chem (used on various fires), D=powder media |
| How does each class of fire ext. function to put out fire? | A= takes away heat (can't be used on flammable liquid or electrical) B=takes away 02 and is cold, C=coats fire with dust to remove 02. |
| What do RACE and PASS stand for when dealing with fire | Rescue, Alert, Confine, Extinguish Pull, Aim, Squeeze, Sweep |
| What are the functions of MSDS sheets | protect and inform (toxicity, health affects, spill procedures, etc) |
| What are the some of the requirements in an MSDS sheet | identity, properties, physical hazard, health hazard, carcinogenecity, exposure limits, safe use, control measures, emergency info, date prepared |
| name some hazard determiners | flammable, corrosive, reactive (characteristics ingestion, absorption, inhalation (body access) |
| Define toxic dose | poisoning by exposure, mouth or contact (NOT inhalation) |
| Define Toxic Concentration | poisonining via INHALATION |
| Define Lethal dose | Dose with single exposure that will kill human or animal (Not inhalation) |
| define LD50 | dose (oral/contact) that will kill 50% of a group |
| define LC50 | inhalation that will kill 50% of a group (usually in 1hr time period) |
| Name some toxins in the lab | xylene, toluene, formalin, mercury, silver, carcinogens |
| Is it correct to add water to acid or acid to water | ALWAYS ADD ACID TO WATER |
| a corrosive can be an _______ or a _______ and will visibly _________ living tissue | acid, base, destroy (flush with water if exposed |
| an exposion can be defined as | sudden generation of heat/combustion with a volume larger than the original substance |
| a written plan (for safety) consists of (4) | identity of chems, msds, labeling plan, training |
| training for the ("right to know") includes | chem. name and common name, location, handling, first aid for, adverse effects, cleanup, flammability (etc. characteristics) |
| the empoyees rights and responsibilities pertaining to "right to know" include | right-list of substances, msds, "right to instruction", protection responsibilities-maintain work env, observe precautions, use PPE |
| An employer must (for right to know) (4) | give info w/in 30 days, provide info, educate and train, maintain records |
| The occupation exposure to hazard chems in lab is also know as the " " | laboratory standard |
| what is the goal of the laboratory standard | handling, storage, and disposal of chems |
| what are the 9 facators for the lab standard | scope and application, defs and terms, PEL, chem. hygene plan, employee training, med. consult, hazard ID, respirator reqs. record keeping |
| PEL stands for | permissible exposure limit |
| a chemical hygene plan will do what | plan to keep chems below limits that would harm employees |
| Record keeping on an employee for the laboratory standara lasts for how long | time of hire plus 30 years |
| give 6 proper ways of dealing with acids/bases | 1. keep at eye level, don't store reactable chems together, keep min. quantity in lab, labeled, away from heat, not in fridge |
| What are the timeframes concerning PEL and STEL | Permissible exposure limit is 8 hrs Short Term Exposure limit is 15 min (w/o adverse effects) |
| What does TWA stand for and define it | Timed Weight Average - average of exposure over an 8 hr period |
| If a chemical is spilled how many sq. ft does 1gal =? | 20 |
| what is the protocol if a chem spill occurs | notify mgr, evacuate, if flammable turn off heat, contain as appropriate, notify chem. officer, use ppe, clean up if ok'd by safety officer. |
| Standard neutralizers for acid and bases are? | sodium bicarb (to ph greater than 3 then flush down drain), 1N HCL and mop up with towels -or use spill kits (large spills over 100 mls need to be dealt with by spill team) |
| What is the PEL, STEL and TWA for the formaldehyde standard | PEL = .75 ppm, STEL = 2.0 ppm/15min, TWA less or = to is normal/above .5 requires medical survellaince program |
| What is the action level for the formaldehyde standard | .5ppm over 8hr TWA |
| what are the standard blood borne pathogens in the lab | TB, Hep B/C, HIV |
| Infection waste is defined by blood borne path standard as | liquid or semi liquid/cacked on blood, contamination that will release when compressed, contaminated sharps |
| name 7 infection materials | FS, blood, autopsy, CSF/amniotic, sexual secretions, synoivial fluid, cytology fluid |
| what is the definition of universal precautions | treat all as infectious |
| what are 3 standard housekeep procedures for blood borne pathogend | 10% bleach, orange bags (autoclaved), red bags (get other treatment methods) |
| TB is spread how | spread person to person in air, but can be in lavage (ie bronch washings, urine, csf, sputum, FS) |
| What are the typical preventions for pathogens in the lab | universal precautions, bio safety cabinets, caps in centrifuge, decontaminate, wash hands PPE |
| Bio safety cabinetes employ what filters and work how | hepa filters, use airflow to keep infections w/in the hood |
| what are the 3 classes of bio cabinets | class 1 (micro hood) class 2 (personal with specific training) class 3 (research on exotics) |
| define ergonomics | fitting job task to the person performing job |
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mustangvxd
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