MT6316 CHAPTER 10-11 Flashcards
Secondary effects of a laboratory accident are?
loss of reputation
A safety program must have a written?
Procedure and policy
Laboratory Safety Programs plan to/for?
- plans for preventing sickness and injury to personnel
- Plans to prevent damage or destruction of physical assets.
What are the objectives of a safety program?
- Safety skills and attitude of all personnel
- Surveillance program for promptly identifying hazards
- Plans for promptly correcting all hazards
- Laboratory safety efforts with the over all hospital safety program.
An Employee Health Program includes?
- pre-employmentphysicalexamination
- Periodic inspection of above in most instances reassessments are made yearly
- Written reports of all work-related illnesses and accidents
- Employee health records for the total period of employment.
A general safety program includes periodic inspections done by who and for what purposes?
by director or designee for purposes of indicating interest and concern
A general safety program includes the consideration of periodic programs by?
outside persons with expertise in special areas of laboratory safety.
A general safety program includes the hiring of?
full or part-time safety officer
T or F: It is okay to work alone in the laboratory
F, a second person should be within call.
here are two types of chemical hazards, which are?
External
Internal
EXTERNAL OR INTERNAL CHEMICAL HAZARD: result of caustic or corrosive substance
external
EXTERNAL OR INTERNAL CHEMICAL HAZARD: result of the toxicity of substances
internal
There are [how many] main routes by which chemicals enter the body.
three
What are the three main routes by which chemicals enter the body?
Inhalation
Absorption through skin
Ingestion
This is the major route of entry when working with solvent
Inhalation
Absorption through skin may produce what type of poisoning?
systemic poisoning
Route of entry due to poor hygiene practices
Ingestion
Programs for Handling Chemicals include?
- Prescribed containers and adequate storage space
- Permanent container labels
- Policies for transporting
- Instruction for dispensing, transferring and disposing
“Treat all body fluids _________”
infectious
The major routes by which laboratory staff acquire work-related infections are?
- percutaneous inoculation
- contact between mucous membranes and contaminated material
- accidental ingestion.
If there is a biological spill, apply what to the spill?
Absorbent towel and disinfectant
How much time is adequate for the disinfection of the biological spill?
20mins
If laboratory personnel becomes contaminated with biological hazards due to splashes or spills, immediate steps to take include?
- Clean exposed skin or body surface with soap and water, eyewash (for eye exposures) or saline (for mouth exposures).
- Apply first aid and treat as an emergency.
- Notify supervisor, safety officer, or security desk.
- Follow appropriate reporting procedures.
- Report to physician for treatment or counselling.
T or F: After use, gloves must be disposed of in the contaminated waste.
T
Protect eyes and other mucous membranes from projection by using face shield
Goggles
T or F: Contact lenses are able to offer protection from splashes
F, not able
Reduce laboratory workers’ respiratory exposure to airborne highly dangerous pathogens
Masks
For the use of masks, use what kind of respiratory with what during specimen collection and handling?
fit-tested particulate respirators with adequate filtering
Examples of fit-tested particulate respirators with adequate filtering?
EU FFP2, US NIOSH-certified N95
What PPE is compulsory in all instances?
Laboratory coats
What should one be aware of in the use of lab coats?
composition of fabrics, as some might be highly flammable.
What are the types of gloves and their corresponding purpose?
- rubber gloves (hazardous liquids)
- lead gloves (radioactive materials)
- surgical gloves (pathogens)
- insulated gloves (hot and cold objects)
- heavy leather gloves ( certain animals)
Basic PPEs include?
Clothing
Gloves
Safety shoes
Hard helmet
Safety eye glasses
Respirators
Facemasks
Program for Handling Biological Materials includes instructions and policies regarding?
- collecting transferring, storing and disposing of all specimens
- isolating test procedures
- washing and the care and cleaning of work surfaces
- cleaning and/or disposing of specimen
A significant source of potential injury to laboratory staff, thus making training in specific safety procedures imperative.
Laboratory equipment
Examples of Laboratory equipment involved in Mechanical or Physical Hazards?
autoclaves, centrifuges, compressed gas cylinders and fume hoods.
In the context of Mechanical or Physical Hazards, what is important to alleviate these hazards?
safety training and precautions
Safety Equipment in the laboratory include?
- Fire extinguisher
- Safety showers
- Eye washes
- Safety shields
How many types of fire extinguishers are there and what are these types?
these are of three general types
a. water type
b. dry chemical type
c. carbon dioxide type
Instructions for proper disposal of sharps are?
- Avoid needle recapping.
- Put sharps in a puncture-resistant, leak-proof sharps container.
- Label the container “Sharps”
NEVER USE BOXES for the disposal of?
*sharps
*biohazardous materials that have not been autoclaved
*liquid wastes
*chemically contaminated laboratory glassware or plasticware
*chemical containers that cannot be disposed of as regular solid waste.
Liquids with [low/high] flash points may ignite if they are near __________
Low
heat sources
What are the types of heat sources involved in the ignition of liquids with low flashpoints?
hotplates, steam lines or equipment that might produce a spark or heat.
A small laboratory fire is considered to be one that is extinguishable within how long?
1–2 minutes.
First line fire extinguishing technique is to cover the fire with?
inverted beaker or wet paper towels
If the technique to cover the fire with an inverted beaker or wet paper towels is not successful, what is the last resort?
Fire extinguisher
How many classes of fire hazards are there?
4 (A,B,C,D)
A Fire Prevention Program includes?
- Physical facilities and operational practices that satisfy fire code.
- Instructions for handling and storing combustibles; container labels with “flash points”.
- Instructions for operating all heat-generating equipment
- Well-conceived and rehearsal plans in event of fire that are closely coordinated with hospital efforts
Label combustibles container with?
Flashpoints
Sources of radiation in the laboratory include?
a. radioactive isotopes
b. x-rays
c. ultraviolet sources
Require special precautions, and dedicated benches with specific bench covers for manipulation of radio-labeled elements are needed.
Radiochemicals
Radiochemicals require?
Appropriate protection ((PlexiglasTM, lead)
Ensuring quality and safety during laboratory processes is a major concern for laboratory managers
Laboratory Liabilities
As a Laboratory Director, it is important to?
- design and plan laboratory facilities
- assess all potential risks and apply basic concepts of organization
- consider the organization of the laboratory when developing new activities or new diagnostic techniques
As a Quality Manager (or designated safety officer), it is necessary to?
- Develop basic safety rules and organization, and ensure that personnel are trained
- know the basics of safety and biosafety management issues
- know how to perform an extensive risk assessment when developing
new activities - conduct laboratory safety audits.
As a laboratorian, it is important to?
- be aware of basic safety rules and processes;
- understand the basics of safety and biosafety management issue with toxic chemicals, biological samples, physical hazards and interacting with patients.
Injury Liabilities of the Laboratory include?
- Laboratory equipment
- Storage of compressed gasses
- Needles and sharps
- Exposure to toxic chemicals and radioactive materials pose a real threat to the health and safety of laboratory staff.
- Laboratory acquired infections
- Aerosols contamination
- Biological and chemical spills
- Laboratory fires
Defined as a deviation or an imbalance between what “should be” and what “actually is” happening
The problem
The problem is answered by the question, _________
“what is wrong that needs correction”.
Categories of a Problem are?
- Causality-based problems
- Meaning-based problems
Has well defined boundaries and elements are connected primarily through cause and effect.
Causality-based problems
Causality-based problems have what kind of relationship?
Linear
What kind of problem: the laboratory intercom’s failure to work properly
Causality-based problems
Boundaries are poorly defined
Meaning-based problems
Rarely are linked directly by cause and effect and the nature of their connections depends on the meaning attached to each elements.
Meaning-based problems
What kind of problem: the financial proceeds of the laboratory is declining
Meaning-based problems
In Meaning-based problems, the elements to include are not _____, they must be _____
Given
Chosen
Employers allow or encourage employees to share or participate in organizational ______
Decision making
What kind of problem solving involves the employers allow or encourage employees to share or participate in organizational decision-making?
Participative Problem Solving
A manager may choose to make the decision alone or request input from an individual with specific expertise or experience in the subject matter
Unilateral Problem Solving