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Piemeles > Hazards pt.2 > Flashcards

Hazards pt.2 Flashcards

1
Q

In cases of chemical contact with skin and eyes, flush with __________________
for ______ MINUTES.

A

Large amounts of water

AT LEAST 15

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2
Q

Safety showers:

Should be able to dispense _____ gallons of water per minute

A pressure of _________ psi (pressure per square inch)

A

30 to 50

20 to 50

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3
Q

T or F

Add ACID TO WATER, not the other way around.

A

TRUE

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4
Q

Mixing chemicals should be done under the ______________________

A

fume hood.

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5
Q

Fume Hoods:

Face velocity should be _____________

A

100 to 120 feet/ minute

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5
Q

Expel noxious and hazardous fumes from chemicals

A

fume hood.

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6
Q

T or F

Mouth pipetting is accepted in the laboratory

A

False

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7
Q

Substance
Flammable liquids

Stored Separately
_______________________

A

Flammable solids

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8
Q

Full name ni sir (last na)

A

JAYSON KEITH ABAD LIWAS

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9
Q

Substance
Mineral acids

Stored Separately
_______________________

A

Organic acids

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10
Q

Substance
_______________

Stored Separately
Water-reactive substances

A

Perchloric acid

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11
Q

Substance
_______________

Stored Separately
Oxidizers

A

Caustics

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12
Q

Substance
Heat-reactive substances requiring
refrigeration

Stored Separately
__________________

A

Others

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13
Q

Substance
Unstable substances (shock-sensitive
explosives)

Stored Separately
__________________

A

Others

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14
Q

Substance
Air-reactive substances

Stored Separately
__________________

A

Others

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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

Chemical label
Injury 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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19
Q

Cancer-causing chemicals

A

Carcinogenic

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20
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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21
Q

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

A

Reactive

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22
Q

Chemical Labelling specific hazards (7) (PCCTRFC)

A

Poisonous
Corrosive
Carcinogenic
Teratogenic
Reactive
Flammable
Combustible

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23
Q

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

A

Flash point

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24
Q

Flammable chemicals have a flash point of _______________

A

below 37.8C (100F).

25
Q

Combustible chemicals have a flash point of ____________

A

equal to or above 37.8C (100F)

26
Q

(NFPA) Symbol meaning

A

National Fire Protection Association

27
Q

Is a diamond-shaped, color-coded symbol with four quadrants.

A

National Fire Protection Association (NFPA) Symbol

28
Q

In NFPA symbol …….

___________ hazards (blue quadrant),
___________ hazards (red quadrant),
____________(yellow quadrant),
___________ (white quadrant)

A

health
flammable hazards
reactivity/stability
Specific hazard

29
Q

In NFPA symbol …….

Health hazards - 3
Flammable hazards - 0
Reactivity - 1
Other special information - ALK

A

Health hazards - Extreme Danger
Flammable hazards - Will not burn
Reactivity - Unstable if heated
Other special information - Alkali

29
Q

In NFPA symbol …….

Health hazards - 1
Flammable hazards - 4
Reactivity - 3
Other special information - Cor

A

Health hazards - Slightly Hazardous
Flammable hazards - Below 73 F
Reactivity - Shock and heat may deteriorate
Other special information - Corrosive

30
Q

In NFPA symbol …….

Health hazards - 4
Flammable hazards - 1
Reactivity - 2
Other special information - OXY

A

Health hazards - Deadly
Flammable hazards - Above 200 F
Reactivity - Violent chemical change
Other special information - Oxidizer

31
Q

The chemistry of fire is presented by the ___________________

A

Fire Tetrahedron.

32
Q

A chain reaction where burning continues & accelerates.

A

An uninhibited reaction

33
Q

Four components should be present for fire to exist. (OFHU)

A

Oxygen
Fuel
Heat
Uninhibited Reaction

34
Q

Class of fire and F. Extinguisher

Ordinary combustible, paper, wood plastic, fabric

A

A.

Pressurized water (A)
Dry Chemical (A,B,C)

35
Q

Class of fire and F. Extinguisher

Flammable liquids/ gases, and combustible petroleum products

A

B.

Carbon Dioxide (B,C)
Dry Chemical (A,B,C)

36
Q

Class of fire and F. Extinguisher

Energized electrical equipment

A

C.

Carbon Dioxide (B,C)
Dry Chemical (A,B,C)
Halon (Halogenated Extinguishers)

37
Q

Is considered as the best extinguisher for Class C fires

A

Halon

38
Q

Class of fire and F. Extinguisher

Combustible/ reactive metals (Mg, Na, K)

A

D.

Metal X

39
Q

Class of fire and F. Extinguisher

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

A

K.

Wet chemical

40
Q

Upon discovery of fire, R.A.C.E should be applied. (define race)

A

Rescue- Rescue anyone in immediate danger
Alarm- Activate the institutional fire alarm system
Contain- Close all doors to potentially affected areas
Extinguish- Attempt to extinguish the fire, if possible. Exit the area.

41
Q

For proper utilization of fire extinguishers, remember the P.A.S.S. (define pass)

A

Pull pin
Aim at the BASE of the fire
Squeeze handles
Sweep nozzle side to side

42
Q

T or F

Nonionizing radiation are emitted by many equipment in the laboratory.

A

TRUE

43
Q

A type of hazard that present a biological hazard, transmission of blood-borne pathogens

A

Sharps Hazards

44
Q

Sharps hazards should be disposed in a __________

A

puncture-proof container

45
Q

Type of hazard where examples include needles, lancets, broken glass wares

A

Sharps Hazards

46
Q

Type of hazard where strain disorders caused by repetitive and tedious manual tasks

A

ERGONOMIC HAZARDS

47
Q

This types of hazards primary contributing factors include
Position/ Posture
Applied force
Frequency of repetition
Positioning of equipment

A

ERGONOMIC HAZARDS

48
Q

T or F

There are many types of wastes that are generated by the clinical laboratory. For proper
segregation of wastes, the clinical laboratory utilizes shape-coded garbage bags.

A

FALSE

Color-coded garbage bag

49
Q

Color-coded bags (give the waste)

Black:
Green:
Yellow:
Puncture-proof containers (usually red):
Orange:
Yellow with black band:

A

Black: General wastes; Dry, non-infectious
Green: Wet, non-infectious wastes
Yellow: Wet, infectious wastes
Puncture-proof containers (usually red): Sharps
Orange: Radioactive wastes
Yellow with black band: Chemical wastes

50
Q

T or F
All, EXCEPT URINE, must be placed in appropriate containers with the biohazard
symbol

A

TRUE

51
Q

Decontamination of waste

Soaking the sample in ________ or _______________ solution for at least
______________

A

5% Lysol

10% sodium hypochlorite

15 minutes

52
Q

T or F

Urine may be discarded by pouring it in a laboratory sink

A

TRUE

53
Q
A
54
Q
A
55
Q

Disinfection of the sink using a ______________ DILUTION OF ___________________
should be PERFORMED __________________

A

1:5 or 1:10
SODIUM HYPOCHLORITE
DAILY

56
Q

Sodium hypochlorite dilutions stored in plastic bottles are effective for _________
if protected from light after preparation

A

one month

57
Q

T or F
Empty urine containers can be discarded as non-biologically hazardous materials

A

TRUE

58
Q

Color-coded bags (give all the colors) (BGYRO,,YWB)

A

Black:
Green:
Yellow:
Puncture-proof containers (usually red):
Orange:
Yellow with black band:

59
Q

Machine that uses steam to kill bacteria’s

A

Autoclave

Piemeles (5 decks)

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