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CC RMT AUG2024 > Laboratory Safety > Flashcards

Laboratory Safety Flashcards

1
Q

physically remove hazard

A

elimination

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2
Q

replace hazard

A

substitution

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3
Q

isolate people from the hazard

A

engineering controls

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4
Q

change the way people work

A

administrative controls

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5
Q

protect the worker with PPE

A

PPE

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6
Q

most important means of preventing the spread of infection

A

handwashing

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7
Q

thoroughly clean between your fingers and under your fingernails for at least ___ secs

A

20

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8
Q

rinse your hands in a ___ position to prevent recontamination

A

downward

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9
Q

donning

A

gown - mask - goggles -gloves

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10
Q

doffing

A

gloves - goggles - gown - mask

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11
Q

BSC Class ___ - sterilizes only the air to be exhausted
does not protect work surface

A

BSC Class I

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12
Q

BSC Class ___ -
for microbiology
aka vertical laminar flow
sterilizes air that flows over the infectious material as well as air to be exhausted

A

BSC Class II

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13
Q

70% recirculated
30% exhauasted

A

A1

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14
Q

same as A1 but with higher intake air velocity or 100 lfm

A

A2

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15
Q

30% recirculated
70% exhausted

A

B1

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16
Q

100% exhausted

A

B2

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17
Q

BSC Class ___ -
completely enclosed with glove ports
provides highest level of personnel protection
for extremely hazardous organisms

A

BSC Class III

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18
Q

decontamination solution

A

5.25%NaOCl or 10% chlorine

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19
Q

chlorine:water dilution

A

1:10

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20
Q

wavelength of ultraviolet

A

<400nm

21
Q

wavelength of visible spectrum

A

400-700nm

22
Q

wavelength of infrared

A

> 700nm

23
Q

wavelength of microwaves

A

3um-3mm

24
Q

wavelength of low frequency

A

> 1cm

25
Q

used for materials that give off harmful vapors

A

fume hood

26
Q

major source of information about chemicals written by manufacturers

A

Safety Data Sheet (SDS)

27
Q

recommended maximum allowable exposure (8hrs shift)

A

threshold limit value (TLV)

28
Q

regulated limit enforced by OSHA

A

Permissible Exposure Limit (PEL)

29
Q

toxicity level is ____ to TLV, PEL

A

inversely proportional

30
Q

absorbs water when exposed to air

A

hygroscopic

31
Q

interferes with metabolic processes

A

toxic substances

32
Q

cancer-causing, mutation (DNA damage)

A

carcinogen/mutagen

33
Q

causing birth defects

A

teratogen

34
Q

Yellow diamond

A

reactivity/instability

35
Q

White diamond

A

special

36
Q

Blue diamond

A

health

37
Q

Red diamond

A

Fire/flammability

38
Q

Health 4,3,2,1,0

A

4- deadly
3- extreme danger
2- hazardous
1- slightly hazardous
0- normal material

39
Q

Fire/Flammability flash point 4,3,2,1,0

A

4- below 73F
3- below 100F
2- below 200F
1- above 200F
0- will not burn

40
Q

Reactivity/Instability 4,3,2,1,0

A

4- may detonate
3- shock and heat may detonate
2- violent chemical change
1- unstable if heated
0- stable

41
Q

under special

A

OXY
ACID
ALK
COR
water-reactive
radioactive

42
Q

actions to take in the event of fire (RACE)

A

Rescue
Alarm
Contain
Extinguish/evacuate

43
Q

steps in operating a fire extinguisher (PASS)

A

Pull pin
Aim nozzle
Squeeze trigger
Sweep nozzle

44
Q

Class __ ordinary combustibles (household)

A

A

45
Q

Class __ flammable liquids

A

B

46
Q

Class __ electrical equipment

A

C

47
Q

Class __ flammable metals; professional firefighters

A

D

48
Q

Class __ arsenal or materials that are liable to result in detonation

A

E

49
Q

Class __ combustible for cooking

A

K

CC RMT AUG2024 (29 decks)

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