chapter 23 - recall questions Flashcards

1
Q

what are the three primary methods of chemical exposure

A

inhalation, ingestion and skin contact

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2
Q

what is the difference between acute and chronic chemical toxicity

A

acute results from high level of exposure over a short period

chronic results from many repeated exposures to lower levels of chemical over a longer time period

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3
Q

what is the best way to protect your hands from chemicals

A

wear chemical-resistant gloves

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4
Q

what types of personal protection should be worn when handling toxic chemicals

A

utility gloves, goggles, aprons, and masks should be worn when handling toxic chemicals

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5
Q

describe the necessary precautions when working with mercury

A

work in a ventilated area
avoid skin contact and inhalation
store in sealed container away from heat

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6
Q

what are the OHSA requirements regarding an eyewash unit

A

requires an eyewash unit in areas where chemicals are used

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7
Q

guidelines for minimizing exposure to chemical hazards in the dental office

A

read labels
avoid mixing chemicals
wearing appropriate PPE
keep from light and heat
etc

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8
Q

what could be the effects of exposure to radiographic processing solutions kept in a poorly ventilated area

A

may cause respiratory problems, dermatitis, irritation

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9
Q

in general, how should chemicals be stored

A

should be stored in a dry, cool and dark place

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10
Q

in general, how are chemicals determined to be hazardous

A

if they are
- ignitable
- corrosive
- reactivve
- toxic
or is listed as hazardous

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11
Q

how could an empty container be considered to be hazardous

A

they can hold residues that can burn or explode

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12
Q

what is purpose of the OSHA Hazard communication standard

A

to req employers to inform employees about the identity and hazards of all chemicals they are exposed to at work

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13
Q

what information is contained on the SDS

A

Safety data sheets contain health and safety information about every chemical in the office

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14
Q

all employees must receie training about hazardous chemicals

A

all employees who work around chemicals must receive training

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15
Q

name dental materials that would be regulated waste

A

sharps, blood, blood-soaked and caked items, human tissue and pathologic waste

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16
Q

what are four materials that would be considered contaminated waste

A

saliva-soaked gauze, pt bibs, surface barriers, gloves

17
Q

what type of waste are extracted teeth

A

regulated waste

18
Q

requirements for sharps container

A

closeable
leakproof
puncture resistant
have a biohazard symbol
colour coded

19
Q

why is radiographic fixer considered to be hazardous waste

A

considered to be hazardous waste because of its high silver content

20
Q

where could you find information about the flash point of disinfectant

A

safety data sheet