Chapter 23/24

Question 1

SDS stands for

Answer 1

Safety data sheet

Question 2

Form that provides health and safety information regarding materials that contain chemicals is a

Answer 2

SDS

Question 3

Chronic exposure

Answer 3

Repeated exposures (lower levels) over a long period

Question 4

Acute exposure

Answer 4

High levels of exposure over a short period

Question 5

Hazard communication standard

Answer 5

OSHA standard; Employees right to know about chemicals in workplace

Question 6

What is toxic waste

Answer 6

Waste that is capable of having a poisonous effect

Question 7

Infectious waste that requires special handling, neutralization and disposal

Answer 7

Regulated waste

Question 8

An example of regulated waste is

Answer 8

Blood/blood soaked material, soft tissue or extracted teeth, sharps

Question 9

Regulated waste is labeled with what label

Answer 9

Biohazard

Question 10

Regulated waste can also be known as

Answer 10

Infectious waste, contaminated waste

Question 11

Biohazard it’s pertains to body secretions, hazardous refers to

Answer 11

Chemicals

Question 12

Primary methods of chemical exposure

Answer 12

Inhalation, skin contact, ingestion

Question 13

What are the OSHA requirements regarding an eye wash unit?

Answer 13

Eyewash unit in areas where chemicals are used

Question 14

In general how should chemicals be stored

Answer 14

In a cool, dry, dark place

Question 15

Chemicals are determined to be hazardous if they are

Answer 15

Flammable, corrosive, reactive

Question 16

What is another term for the hazard communication standard

Answer 16

Employee right to know law

Question 17

Occupation exposure determination classes?

Answer 17

Class 1- routinely exposed
Class 2- exposed on occasion
Class 3- never exposed

Question 18

DUWL stands for

Answer 18

Dental unit water lines

Question 19

Dental unit water lines are

Answer 19

Closed systems

Question 20

Biofilm bacteria is attached to what

Answer 20

The walls of the waterlines

Question 21

Planktonic bacteria exists where

Answer 21

In the water

Question 22

Biofilm is

Answer 22

Slime producing (may also harbour algae etc.)

Question 23

Line flushing should be done how often

Answer 23

At the start and end of the day and in between patients

Question 24

Dental water quality should be less than

Answer 24

500 CFU/ML of heterotrophic water bacteria

Question 25

Dental unit water should NOT be used as an irrigant for

Answer 25

Surgery involving the exposure of bone

Question 26

True or false: you should avoid heating water lines for the dental unit

Answer 26

True

Question 27

For how long should we purge water lines at the start of the day

Answer 27

3minutes

Question 28

For how long should we run high speed hand pieces and how often to purge air and water

Answer 28

30 seconds & in between each patient

Question 29

Chemical treatments can be used to help control biofilm in 2 ways which are

Answer 29

Shock treatments or continuous application