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MT6317 > 01 LAB SAFETY > Flashcards

01 LAB SAFETY Flashcards

1
Q

Laboratorians should receive hepatitis B vaccination before or within __ days after beginning work in the lab

A

10

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2
Q

T/F: The management should shoulder the cost of post-exposure evaluation and follow up for free when accidents happen

A

T

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3
Q

Color of waste disposal bin:

non-infectious, dry

A

black

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4
Q

Color of waste disposal bin:

non-infectious, wet

A

green

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5
Q

Color of waste disposal bin:

infectious, pathological, and pharmaceutical waste

A

yellow

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6
Q

Color of waste disposal bin:

radioactive waste

A

orange

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7
Q

T/F: the use of gang plugs and “cheater adapters” are encouraged in the laboratory

A

F

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8
Q

T/F: when electrical hazards occur, the cord should be pulled immediately

A

F (the plug should be pulled)

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9
Q

In cases of electric fire, the use of ___-based extinguisher is required

A

CO2

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10
Q

A flammable liquid should be stored __ ft away from the heat source

A

5

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11
Q

The use of bottle carriers is necessary if the chemical is more than ___ ml

A

500

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12
Q

What is included in the MSDS?

A

Chemical identity
Chemical and common name
Physical and chemical characteristics
Signs and symptoms of exposure
Routes of entry
Exposure limits
Carcinogenic potential
Safe handling procedures
Spill cleanup procedures
Emergency first aid

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13
Q

The MSDS is required by which agency?

A

Occupational safety & health administration (OSHA)

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14
Q

A type of radiation that can be one of the most toxic sources of exposure to personnel in the laboratory

A

Ionizing radiaion

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15
Q

Placement of fire extinguisher is necessary every __ ft

A

75

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16
Q

The placement of fire detection systems should be tested every ___ months

A

3

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17
Q

Checking fire extinguishers is necessary at least ___ in one year

A

once

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18
Q

Class of fire:

ordinary combustibles such as wood, paper, and cloth

A

A

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19
Q

Class of fire:

flammable liquids, gases, or grease

A

B

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20
Q

Class of fire:

electrical equipment, motors, and switches

A

C

21
Q

Class of fire:

flammable metals such as magnesium

A

D

22
Q

Class of fire:

extinguishment is left to trained firefighters only

A

D

23
Q

Class of fire:

uses pressurized water and dry-chemical extinguishers

A

A

24
Q

Class of fire:

dry-chemical and carbon dioxide extinguishers

A

B, C

25
Q

This agency developed hazards identification system to provide common, recognizable warning signs for chemical hazards

A

National Fire Protection Association (NFPA)

26
Q

Color coding for hazard:

Fire

A

Red

27
Q

Color coding for hazard:

Reactivity

A

Yellow

28
Q

Color coding for hazard:

Health hazard

A

Blue

29
Q

Color coding for hazard:

Specific hazard

A

White

30
Q

Reactivity classification:

May detonate

A

4

31
Q

Reactivity classification:

Shock and heat may detonate

A

3

32
Q

Reactivity classification:

Violent chemical change

A

2

33
Q

Reactivity classification:

Unstable if heated

A

1

34
Q

Reactivity classification:

Stable

A

0

35
Q

Fire hazard classification:

Below 73F

A

4

36
Q

Fire hazard classification:

Below 100F

A

3

37
Q

Fire hazard classification:

Below 200F

A

2

38
Q

Fire hazard classification:

Above 200F

A

1

39
Q

Fire hazard classification:

Will not burn

A

0

40
Q

Health hazard classification:

Deadly

A

4

41
Q

Health hazard classification:

Extreme danger

A

3

42
Q

Health hazard classification:

Hazardous

A

2

43
Q

Health hazard classification:

Slightly hazardous

A

1

44
Q

Health hazard classification:

Normal material

A

0

45
Q

Halogenated hydrocarbon extinguishers are used for what type of fire?

A

C

46
Q

Multi-purpose dry chemical and carbon dioxide extinguishers are used for what type of fire?

A

ABC

47
Q

Pressurized water extinguishers such as foam and multipurpose dry-chemical types are used for what type of fire?

A

A

48
Q

T/F: centrifuge is a common source of biological hazard

A

F (mechanical hazard)

MT6317 (18 decks)

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