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Human Histology > Laboratory: Lab Safety > Flashcards

Laboratory: Lab Safety Flashcards

1
Q

Two Primary Causes of Accidents

A

Unsafe activities
Unsafe environmental condition

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2
Q

Safety Equipment

A

Safety showers & eye wash station
Fire extinguisher
Fume hood
Biosafety cabinets
Personal Protective Equipment

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3
Q

Refers to biological substances that pose a threat to the health of living organisms, primarily that of humans.

A

Biological Hazard

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4
Q

Healthcare facilities developed procedures
to control and monitor infections occurring within the facilities

A

Infection Control

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5
Q

Blood and body fluid precautions should be consistently used for all patients

A

CDC → Universal Precautions (1985)

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6
Q

Consist of bacteria, fungi, parasites, and viruses

A

Infectious Agents

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7
Q

The location of potentially harmful microorganisms, such as a contaminated clinical specimen or an infected patient.

A

Reservoir

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8
Q

Equipment and other soiled inanimate objects will serve as reservoirs, particularly if they contain blood, urine, or other body fluids

A

Fomites

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9
Q

This can be through the mucous membranes of the nose, mouth, and eyes, and in blood or other body fluids

A

Portal of Exit

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10
Q

Unprotected host touches the patient, specimen, or a contaminated object

A

Direct Contact

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11
Q

Inhalation of dried aerosol particles circulating on air currents or attached to dust particles

A

Airborne

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12
Q

The host inhales material from the reservoir

A

Droplets

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13
Q

Ingestion of a contaminated
substance

A

Vehicle

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14
Q

From an animal or insect bite

A

Vector

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15
Q

Can be the same as the portal of exit, which includes the mucous membranes of the nose, mouth, and eyes, breaks in the skin, and open
wounds

A

Portal of Entry

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16
Q

Can be another patient during invasive procedures, visitors, and healthcare personnel when exposed to infectious specimens or needlestick injuries

A

Susceptible Host

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17
Q

Proper hand hygiene, correct disposal of contaminated materials, and wearing personal protective equipment (PPE) are of major importance in the laboratory

A

Chain of Infection

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18
Q

Daily exposure to blood and body fluids

A

Category I

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19
Q

Regular exposure to blood and body fluids

A

Category II

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20
Q

No exposure to blood and body fluids

A

Category III

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21
Q

Employers must offer HBV vaccine to all personnel (Category I and II)

A

True

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22
Q

Specimens should be “capped” during centrifugation

A

True

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23
Q

Any blood, body fluid, or other potentially infectious material spill must be cleaned up using:

A

Spill cleanup kit
Common aqueous detergent
10% bleach using appropriate contact time

24
Q

When skin contact occurs, the best first aid is to flush the area with large amounts of water for at least 15 minutes and then seek medical attention

A

Chemical Spills and Exposure

25
Q

Chemicals should never be mixed together unless specific instructions are followed, and they must be added in the order specified

A

Chemical Handling

26
Q

OSHA also requires all facilities that use hazardous chemicals to have a written

A

Chemical Hygiene Plan

27
Q

Classified according to flash point → the temperature at which sufficient vapor is given off to form an ignitable mixture with air

A

Flammable/Combustible Chemicals

28
Q

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

A

Corrosive Chemicals

29
Q

Spontaneously explode or ignite or that evolve heat or flammable or explosive gases

A

Reactive Chemicals

30
Q

Hazardous chemicals should be labeled with a description of their particular hazard, such as poisonous, corrosive, flammable, explosive, teratogenic, or carcinogenic

A

Chemical Labelling

31
Q

Properties of MSDS

A

Physical and chemical characteristics
Fire and explosion potential
Reactivity potential
Health hazards and emergency first aid procedures
Methods for safe handling and disposal
Primary routes of entry
Exposure limits and carcinogenic potential

32
Q

R.A.C.E.

A

Rescue
Alarm
Contain
Extinguish/Evacuate

33
Q

Hazardous material symbol

A

NFPA 704

34
Q

Blue in Hazard is

A

Health Hazard

35
Q

Red in Hazard is

A

Fire Hazard

36
Q

White in Hazard is

A

Specific Hazard

37
Q

Yellow in Hazard is

A

Reactivity

38
Q

Fire Type composed of wood, paper and clothing

A

Class A

39
Q

Fire Type composed of flammable organic materials

A

Class B

40
Q

Fire Type composed of electricals

A

Class C

41
Q

Fire Type composed of combustible materials

A

Class D

42
Q

Fire Type composed of grease, fat and oils

A

Class K

43
Q

Extinguisher with material of water

A

Class A

44
Q

Extinguisher with material of dry chemicals, carbon dioxide, halon and foam

A

Class B and C

45
Q

Extinguisher with material of liquid designed to prevent splashing and cool the fire

A

Class K

46
Q

P.A.S.S.

A

Pull Pin
Aim Nozzle
Squeeze Trigger
Sweep Nozzle

47
Q

All sharp objects must be disposed in

A

Puncture-resistant, leak-proof container with the biohazard symbol

48
Q

All biological waste (EXCEPT URINE) should be placed in appropriate containers labeled with biohazard symbol

A

True

49
Q

(Urine) Decontaminate the sink by

A

1:5 or 1:10 dilution of
sodium hypochlorite (bleach solution)

50
Q

Waste Disposal Technique

A

Incineration
Recycling
Landfill burial
Flushing down the drain

51
Q

Collected in approved
containers

A

Flammable solvents

52
Q

Specially-designed
incinerators

A

Flammable Material

53
Q

Landfill

A

Solid Chemicals

54
Q

Green Disposal Bin

A

General Waste

55
Q

Red Disposal Bin

A

Infected Plastics

56
Q

Yellow Disposal Bin

A

Infected Waste

57
Q

Blue Disposal Bin

A

Glassware

Human Histology (5 decks)

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