Hazardous Chemicals
Acute and Chronic Toxicity
Accidents and Emergencies
True or False
100

A hazardous chemical is defined as _______

any chemical that can cause a physical or health hazard

100

A high level of exposure over a short period of time

acute toxicity

100

Name the three different types of protective eye/face wear.

glasses

goggles

face shield


100

The EPA created the Hazardous Communication Standard.

False

200

A chemical is considered hazardous if it:

can ignite

can react or explode when mixed with other substances

is corrosive

is toxic

200

many repeated exposures, generally in lower levels, over a much longer time - months or even years

chronic toxicity

200

______ requires an eyewash unit in every place of employment in which chemicals are used.

OSHA

200

The heart, kidney, liver, and lung tissues can be damaged by hazardous chemicals.

True


300

Name three hazardous chemicals used in dentistry

Mercury

disinfectants 

nitrous oxide

impression materials

x-ray chemicals

volatiles from resin-based materials

300

signs and symptoms of acute toxicity

dizziness

fainting

headache

nausea

vomiting


300

How often does OSHA require eyewash stations be inspected? 

monthly

300

Products that have outlived their expiration date should be used first.

False 

400
The three primary methods of exposure are:

inhalation

ingestion

absorption through skin contact

400

Liver disease, brain disorders, cancer, infertility are the effects of _______

Chronic chemical toxicity 

400

Why do some manufacturers recommend a weekly 3 minute flushing of the eyewash station?

To reduce microbial content in the waterline

400

You do not need to file any sort of report for a mercury spill.

True

500

Sometimes after repeated contact with a chemical, a skin condition called ________ may develope.

Dermatitis

500

multiple exposures to benzene (chronic exposure) over a long period of time may cause: 

Leukemia 

500

When exposed to chemical disinfectants, the latex in exam gloves degrade and creates a _______ action that will actually pull contaminants and chemicals through the glove and onto the hands. 

wicking

500

Toxic waste contains arsenic, barium, chromium, mercury and bleach.

False

Toxic waste contains arsenic, barium, chromium, mercury, lead, silver, or certain pesticides.

NOT bleach

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