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MEDTECH LAWS > Laboratory safety > Flashcards

Laboratory safety Flashcards

1
Q

What are the types of biological infectious agents?

A

Bacterial, viral, parasitic, fungal infections

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2
Q

What are examples of sharps in a laboratory?

A

Needles, lancets, broken glass, applicator sticks

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3
Q

What type of injury can sharps cause?

A

Cuts, punctures, bloodborne pathogen exposure

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4
Q

What types of chemicals can pose hazards in a laboratory?

A

Preservatives, reagents, biocides, stains

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5
Q

What are the potential health risks from chemical exposure in the lab?

A

Toxic, carcinogenic, and caustic effects

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6
Q

What are examples of radioactive materials that can cause exposure hazards?

A

Radioisotopes/radiopharmaceuticals, equipment

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7
Q

What health risk is associated with radioactive exposure?

A

Radiation exposure

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8
Q

What electrical hazards are common in laboratory settings?

A

Ungrounded/wet equipment, frayed cords

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9
Q

What are the potential consequences of electrical hazards?

A

Burns, shock

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10
Q

What fire/explosive hazards might be present in a laboratory?

A

Bunsen burners, alcohol lamps, chemicals

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11
Q

What injuries are associated with fire or explosive hazards?

A

Burns, dismemberment

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12
Q

What physical hazards can occur in a laboratory?

A

Wet floors, heavy boxes, patients

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13
Q

What are the potential injuries from physical hazards?

A

Strain/sprain, falls

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14
Q

What is the color of biohazard warning labels, signs, and containers?

A

Fluorescent orange-red with contrasting lettering or symbols

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15
Q

What are the components of the chain of infection?

A

Infectious agent, Reservoir, Portal of Exit, Means of transmission, Portal of entry, Susceptible host

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16
Q

What agents are not associated with disease in healthy individuals?

A

None, open bench work

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17
Q

What agents are associated with human diseases that are rarely serious, and for which preventive or therapeutic interventions are often available?

A

Open bench plus Class II BSC

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18
Q

What agents are associated with serious or lethal disease, for which preventive or therapeutic interventions may be available?

A

Class II or III BSC and/or other primary barrier

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19
Q

What are dangerous and exotic agents that pose a high risk of aerosol-transmitted infections and life-threatening disease for which effective treatments are limited?

A

Class III BSC or positive pressure suits in conjunction with Class II BSC

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20
Q

What does Class I Biological Safety Cabinet do?

A

Sterilizes only the air to be exhausted; does not protect the work surface.

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21
Q

What does Class II Biological Safety Cabinet do?

A

Most commonly used in microbiology; sterilizes air flowing over the infectious material as well as air to be exhausted.

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22
Q

What does Class III Biological Safety Cabinet provide?

A

Completely enclosed with glove ports; provides the highest level of personnel protection for extremely hazardous organisms.

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23
Q

What is the most important means of preventing the spread of infection?

A

Handwashing.

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24
Q

What are the steps to properly wash hands?

A

Thoroughly clean between fingers and under fingernails for at least 30 seconds, washing/rinsing hands in a downward position.

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25
Q

What is the proper order for donning Personal Protective Equipment (PPE)?

A

Gown → Mask or Respirator → Goggles or Face Shield → Gloves.

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26
Q

What is the proper order for doffing Personal Protective Equipment (PPE)?

A

Gloves → Goggles or Face Shield → Gown → Mask or Respirator → Handwashing.

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27
Q

What is the first aid for a chemical spill?

A

Flush the area with large amounts of water for at least 15 minutes.

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28
Q

What is the definition of Elimination in the Hierarchy of Controls?

A

Physically remove the hazard.

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29
Q

What is the definition of Substitution in the Hierarchy of Controls?

A

Replace the hazard.

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30
Q

What is the definition of Engineering controls in the Hierarchy of Controls?

A

Isolate people from the hazard.

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31
Q

What is the definition of Administrative controls in the Hierarchy of Controls?

A

Change the way people work.

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32
Q

What is the definition of PPE in the Hierarchy of Controls?

A

Protect the worker with personal protective equipment.

33
Q

What is the purpose of a Fume Hood in a chemical lab?

A

Protects personnel against harmful vapors; used for materials that give off harmful vapors.

34
Q

What does a Fume Hood provide in terms of protection?

A

Personnel protection only.

35
Q

How should flammable liquids be stored?

A

Stored separately from flammable solids.

36
Q

How should perchloric acid be stored?

A

Stored separately from water-reactive substances.

37
Q

How should heat-reactive substances requiring refrigeration be stored?

A

Should not be stored in a common space.

38
Q

How should unstable substances (shock-sensitive explosives) be stored?

A

Should not be stored in a common space.

39
Q

How should mineral acids be stored?

A

Stored separately from organics.

40
Q

How should caustics be stored?

A

“Stored separately from oxidizers
“What does the Safety Data Sheet (SDS) describe?”,”Hazards

41
Q

Which section of the Safety Data Sheet includes the hazard identification?

A

Section 2: Hazard(s) Identification.

42
Q

Which section of the Safety Data Sheet provides information on the ingredients?

A

Section 3: Composition/information on ingredients.

43
Q

Which section of the Safety Data Sheet includes first-aid measures?

A

Section 4: First-aid measures.

44
Q

Which section of the Safety Data Sheet provides physical and chemical properties?

A

Section 9: Physical and chemical properties.

45
Q

Which section of the Safety Data Sheet includes stability and reactivity?

A

Section 10: Stability and reactivity.

46
Q

Which section of the Safety Data Sheet provides toxicological information?

A

Section 11: Toxicological information.

47
Q

Which section of the Safety Data Sheet includes ecological information?

A

Section 12: Ecological information.

48
Q

Which section of the Safety Data Sheet provides firefighting measures?

A

Section 5: Firefighting measures.

49
Q

Which section of the Safety Data Sheet provides accidental release measures?

A

Section 6: Accidental release measures.

50
Q

Which section of the Safety Data Sheet covers handling and storage?

A

Section 7: Handling and storage.

51
Q

Which section of the Safety Data Sheet includes exposure controls and personal protection?

A

Section 8: Exposure controls and personal protection.

52
Q

Which section of the Safety Data Sheet covers disposal consideration?

A

Section 13: Disposal consideration.

53
Q

Which section of the Safety Data Sheet includes transport information?

A

Section 14: Transport information.

54
Q

Which section of the Safety Data Sheet provides regulatory information?

A

Section 15: Regulatory information.

55
Q

Which section of the Safety Data Sheet includes the date of preparation or last revision?

A

Section 16: Other information.

56
Q

What is a potential radioactive hazard in the clinical laboratory?

A

Radioactivity encountered during procedures using radioisotopes.

57
Q

What does RACE stand for in fire safety?

A

Rescue, Alarm, Contain, Extinguish/Evacuate.

58
Q

What does PASS stand for in fire extinguisher operation?

A

Pull, Aim, Squeeze, Sweep.

59
Q

Which materials are used to extinguish a Class A fire?

A

Water.

60
Q

Which materials are used to extinguish a Class B fire?

A

Dry chemicals, carbon dioxide, foam, or halon.

61
Q

Which materials are used to extinguish a Class C fire?

A

Dry chemicals, carbon dioxide, or halon.

62
Q

Which materials are used to extinguish a Class D fire?

A

None (sand or dry powder is used).

63
Q

Which materials are used to extinguish a Class K fire?

A

Liquid designed to prevent splashing and cool the fire.

64
Q

Which type of fire involves wood, paper, and clothing?

A

Class A.

65
Q

Which type of fire involves flammable organic chemicals?

A

Class B.

66
Q

Which type of fire involves electrical equipment?

A

Class C.

67
Q

Which type of fire involves combustible metals?

A

Class D.

68
Q

Which type of fire involves grease, oils, and fats?

A

Class K.

69
Q

What is considered an ergonomic hazard?

A

Activities characterized by constant or excessive repetitive actions, mechanical pressure, vibrations, compressive forces, or static postures for an extended period of time.

70
Q

What color is used for non-infectious dry waste containers?

A

Black.

71
Q

What color is used for non-infectious wet waste containers?

A

Green.

72
Q

What color is used for infectious and pathological waste containers?

A

Yellow.

73
Q

What color is used for sharps waste containers?

A

Red.

74
Q

What color is used for pressurized containers waste containers?

A

Red.

75
Q

What color is used for chemical waste containers?

A

Yellow with black band.

76
Q

What color is used for radioactive waste containers?

A

Orange.

77
Q

Which institution implements the radioactive policy in the Philippines?

A

Philippine Nuclear Research Institute (PNRI).

78
Q

Which government department is responsible for the implementation of environmental regulations in the Philippines?

A

Department of Environment and Natural Resources (DENR).

MEDTECH LAWS (17 decks)

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