Chapter 23/24 Flashcards
SDS stands for
Safety data sheet
Form that provides health and safety information regarding materials that contain chemicals is a
SDS
Chronic exposure
Repeated exposures (lower levels) over a long period
Acute exposure
High levels of exposure over a short period
Hazard communication standard
OSHA standard; Employees right to know about chemicals in workplace
What is toxic waste
Waste that is capable of having a poisonous effect
Infectious waste that requires special handling, neutralization and disposal
Regulated waste
An example of regulated waste is
Blood/blood soaked material, soft tissue or extracted teeth, sharps
Regulated waste is labeled with what label
Biohazard
Regulated waste can also be known as
Infectious waste, contaminated waste
Biohazard it’s pertains to body secretions, hazardous refers to
Chemicals
Primary methods of chemical exposure
Inhalation, skin contact, ingestion
What are the OSHA requirements regarding an eye wash unit?
Eyewash unit in areas where chemicals are used
In general how should chemicals be stored
In a cool, dry, dark place
Chemicals are determined to be hazardous if they are
Flammable, corrosive, reactive
What is another term for the hazard communication standard
Employee right to know law
Occupation exposure determination classes?
Class 1- routinely exposed
Class 2- exposed on occasion
Class 3- never exposed
DUWL stands for
Dental unit water lines
Dental unit water lines are
Closed systems
Biofilm bacteria is attached to what
The walls of the waterlines
Planktonic bacteria exists where
In the water
Biofilm is
Slime producing (may also harbour algae etc.)
Line flushing should be done how often
At the start and end of the day and in between patients
Dental water quality should be less than
500 CFU/ML of heterotrophic water bacteria
Dental unit water should NOT be used as an irrigant for
Surgery involving the exposure of bone
True or false: you should avoid heating water lines for the dental unit
True
For how long should we purge water lines at the start of the day
3minutes
For how long should we run high speed hand pieces and how often to purge air and water
30 seconds & in between each patient
Chemical treatments can be used to help control biofilm in 2 ways which are
Shock treatments or continuous application
