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PMLS FINALS > Other Hazards > Flashcards

Other Hazards Flashcards

1
Q

In cases of chemical contact with skin and eyes, flush with large amounts of water
for

A

At least 15 minutes

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2
Q

Emergency showers and eye wash stations should be present.

A

Chemical Spills (Chemical Hazards)

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3
Q

Chemicals should be mixed following established instructions

A

Chemical Handling (Chedmcial Hazard)

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4
Q

Add ACID TO WATER, not the other way around.

A

Chemical Handling (Chemcial Hazard)

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5
Q

Mixing chemicals should be done under the

A

fume hood (chemical handling)

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6
Q

Expel noxious and hazardous fumes from chemicals

A

fume hood (chemical handling)

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7
Q

face velocity of chemical handling

A

100 to 120 feet/ minute

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8
Q

is never accepted in the laboratory

A

Mouth pipetting

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9
Q

Chemicals should be placed in easily manageable sizes

A

Chemical Storage

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10
Q

General guidelines for chemicals that should be stored separately:

A

Chemical Storage

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11
Q

Perchloric acid separated from

A

Water-reactive substances

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12
Q

Caustics separated from

A

Oxidizers

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13
Q

Mineral acids separated from

A

Organic acids

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14
Q

Required by OSHA to be present at workplaces that handles hazardous chemicals

A

Chemical Hygiene Plan

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15
Q

A document that presents the following information
Appropriate work practices and standard operating procedures
 Utilization of PPE
 Engineering controls, such as fume hoods and flammables safety cabinets
 Employee training requirements
 Medical consultation guidelines

A

Chemical Hygiene Plan

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16
Q

Responsible for documenting and implementing the
chemical hygiene plan

A

Chemical Hygiene Officer

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17
Q

Lists all of the hazardous chemical present in a workplace

A

Material Safety Data Sheet

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18
Q

 Physical and chemical characteristics
 Fire and explosion potential
 Reactivity potential
 Health hazards and emergency first aid procedures
 Methods for safe handling and disposal

A

Material Safety Data Sheet

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19
Q

Chemicals should be labelled with the description of their specific hazard

A

Chemical Labelling

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20
Q

: Injurious to the skin or eyes by direct contact or to the tissue of the
respiratory and GIT if inhaled or ingested

A

Corrosive

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21
Q

Cancer-causing chemicals

A

Carcinogenic

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22
Q

Substances that can cause functional and physical defects in the
human embryo or fetus after the pregnant mother is exposed to the substance

A

Teratogenic

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23
Q

: Substances that, under certain conditions, can spontaneously explode
or ignite

A

Reactive

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24
Q

is the temperature at which sufficient vapour is given
off from the chemical to form an ignitable mixture with air

A

point

25
Q

have a
flash point below 37.80C (1000F).

A

Flammable chemicals

26
Q

have a flash point equal to or
above 37.80C (1000F)

A

Combustible chemicals

27
Q

It is very important that the workplace has appropriate chemical labels that will alert
the laboratory personnel to specific hazards of a chemical

A

National Fire Protection Association (NFPA) Symbol

28
Q

is a diamond-shaped, color-coded symbol with four quadrants.
Each quadrant represents a hazard that the chemical exposes the workers to. At a
glance, emergency personnel can assess

A

National Fire Protection Association (NFPA) Symbol

29
Q

_ (blue quadrant), _ (red quadrant), __ (yellow quadrant), and of (white quadrant)

A

health hazards, flammable
hazards, reactivity/stability hazards, other special
information

30
Q

In addition, each quadrant shows the
magnitude of severity, graded from a low of to a high of ,

A

0-4

31
Q

The chemistry of fire is presented by t

A

Fire Tetrahedron.

32
Q

presents the four components that should be present for fire to exist

A

Oxygen
 Fuel
 Heat
 Uninhibited Reaction

33
Q

is a chain reaction where burning continues & accelerates

A

An uninhibited reaction

34
Q

Upon discovery of fire

A

Rescue, Alarm, Contain, Extinguist (RACE)

35
Q

-Pressurized water (A)
Dry Chemical (A,B,C)
- Ordinary combustible, paper, wood
plastic, fabric

A

Fire class a

36
Q

Flammable liquids/ gases, and
combustible petroleum products
-Carbon Dioxide (B,C)
Dry Chemical (A,B,C)

A

Fire class b

37
Q

Energized electrical equipment

Carbon Dioxide (B,C)
Dry Chemical (A,B,C)
H
Carbon Dioxide (B,C)
Dry Chemical (A,B,C)
Halon (Halogenated Extinguishers)
Halon is considered as the best
extinguisher

A

fire class c

38
Q

Combustible/ reactive metals (Mg,
Na, K
- metal x

A

fire class d

39
Q

Liquids used in food preparation such
as grease, animal & vegetable oil

A

Wet Chemical

40
Q

For proper utilization of fire extinguishers, remember the

A

Pull pin, aim at the base of the fire, squeeze handles, sweep nozzle side to side

41
Q

The presence of heavy electrical equipment, the utilization of compressed
gases, and improperly placed machines are all possible causes of physical injuries

A

PHYSICAL HAZARD

42
Q

 Avoid running in rooms and hallways
 Bend the knees when lifting heavy objects
 Keep long hair pulled back; Use close-toed shoes
 Avoid dangling jewelry
 Maintain a clean, orderly work area

A

prevention of physical injuries

43
Q

Nonionizing radiation are emitted by many equipment in the laboratory

A

radioactive hazard

44
Q

Examples include needles, lancets, broken glass wares

A

sharps hazard

45
Q

Present a biological hazard, transmission of blood-borne pathogens

A

sharps hazard

46
Q

sharps hazard should be disposed in

A

puncture proof container

47
Q

Strain disorders caused by repetitive and tedious manual tasks

A

ERGONOMIC HAZARDS

48
Q

 Position/ Posture
 Applied force
 Frequency of repetition
 Positioning of equipment

A

primary contributors to ergonomic hazards

49
Q

General wastes; Dry, non-infectiou

A

black

50
Q

Wet, non-infectious wastes

A

green

51
Q

: Wet, infectious wastes

A

yellow

52
Q

sharps

A

red

53
Q

: Radioactive wastes

A

orange

54
Q

Chemical wastes

A

yellow with black band

55
Q

All, EXCEPT URINE, must be placed in appropriate containers with the

A

biohazard symbol

56
Q

Soaking the sample in _ or __ hypochlorite solution for at least
15 minutes

A

5% Lysol, 10% sodium

57
Q

Disinfection of the sink using a – DILUTION OF SODIUM HYPOCHLORITE
should be PERFORMED DAILY

A

1:5 or 1:10

58
Q

dilutions stored in plastic bottles are effective for one month
if protected from light after preparation

A

Sodium hypochlorite

PMLS FINALS (6 decks)

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