Unit 3 Part 1 Flashcards
proper use of the human body to do work, to avoid injury or strain
Body mechanics
part of the body that bears the most weight. Feet should be 12 inches apart
Base of support
point where equal weight is above, below, and to each side
Centre of gravity
your centre of gravity must be within your base of support
balance
study of people efficiency in their working environment and is a very important factor in the well being of workers
ergonomics
flammable liquids, toxic gases
chemical hazards
caused by physical aspects of the environment
eg. radiation, noise, temperature
physical hazards
microorganisms that are capable of causing disease
eg HIV
biological hazards
elements related to the design of the workplace which stress the body physically and mentally
ergonomic hazard
conditions of work that causes physiological stress to the worker,
eg. sexual harassment
psychological hazard
device that separates a lab employee from a specimen by a glass front.
safety hood
___ is required after an accident
15 minutes
type of local ventilation device that is designed to limit exposure to hazardous or toxic fumes, vapors or dusts
fume hood
configured to protect the work on the work surface
does not protect the operator as the airflow pushes aerosols or particulates from the work surface toward the operator
laminar flow cabinets
to serve as the primary means to protect the laboratory worker and the surrounding environment from pathogens
Biological safety cabinets (BSC)
the first ___ to ___ seconds after exposure to a hazardous substance, especially a corrosive substance, are critical
10 to 15
acid into water, ____ water
dilutes
are chemical compounds used to remove or kill pathogenic organisms
disinfectants
are chemicals used to inhibit the growth of microorganism and are used to clean skin
antiseptic
paper, wood, fabric, rubber and certain plastic material
Class A
flammable liquids, oil, paint, fat and gasoline
Class B
electrical equipment
Class C
combustile metals such as sodium, potassium, uranium and powdered aluminum
Class D
cooking oil
Class K
P.A.S.S
Pull the pin
Aim
Squeeze the handle
Sweep the base of the fire
R.A.C.E
Rescue individuals in danger
Activate the fire alarm
Confine the fire by closing windows and doors
Extinguish the fire with nearest suitable fire extinguisher
best way to protect against radiation safety
Time, shield and distance
living things
organisms
living things so small that they can only be seen through a microscope
microorganisms
disease causing microorganisms
pathogen