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LATG > LATG 07: Occupational Health and Safety > Flashcards

LATG 07: Occupational Health and Safety Flashcards

1
Q

True or False: The skill and experience of the employee should be considered in assessing risks.

A

True

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2
Q

True or False: The custodial staff does not need to participate in an institution’s occupational health and safety program.

A

False

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3
Q

Which item does OSHA require in areas where procedures involving flammable materials are performed?

A

fire extinguisher

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4
Q

What action must always be done before opening the door of an autoclave?

A

Check the pressure gauge\

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5
Q

True or False: Liquid nitrogen should always be stored in a sealed container with no gas escape valve.

A

False

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6
Q

True or False: If a trash can has a biohazard sign on it, it can be used for the disposal of sharps

A

False

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7
Q

Safety data sheets provide _____________ data and _____________ information.

A

physical property, toxicological

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8
Q

True or False: Detergents and disinfectants are not considered hazardous chemicals.

A

False

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9
Q

How many protons do alpha particles have?

A

2

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10
Q

Which of the following describes carbon-14 (14C), tritium (3H), and Iodine-125 (125I)?

A

Radioisotopes

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11
Q

Thick dense shielding must be used to protect a worker from which of the following types of radiation?

A

gamma radiation and x-rays

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12
Q

What is Bremsstrahlung?

A

An X-ray produced by beta particles when they decelerate

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13
Q

Statistics show that about ____ % of the people who work with laboratory animals develop allergic symptoms.

A

44

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14
Q

Which of the following is the typical profile of someone who develops a laboratory animal allergy?

A

A 23-32 year old with less than 3 years of occupational contact

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15
Q

Regularly scheduled testing for tuberculosis is necessary for all personnel who work with which species?

A

NHP

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16
Q

Work with a well-characterized infectious agent not known to cause disease in humans can be performed at what ABSL level?

A

1

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17
Q

What ABSL level should be used when working with an agent whose risk of transmission is unknown?

A

4

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18
Q

True or False: ABSL-1 level work can be conducted on the open bench if good microbiological techniques are used.

A

True

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19
Q

To be effective and used legally, the respirator must meet the standards of and be maintained in accordance with which agency’s specifications?

A

OSHA

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20
Q

Gloves made from which of the following materials would be best to use when handling nonhuman primates?

A

animal hide

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21
Q

What does the “N” indicate in a N-95 respirator?

A

not resistant to oil

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22
Q

Which class of biosafety cabinets offers the most protection to personnel?

A

III

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23
Q

True or False: Burners should not be used in Class II biosafety cabinets.

A

True

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24
Q

True or False: HEPA filters remove dangerous gases from the air.

A

False

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25
Q

Which class of biosafety cabinets protects the user against direct contact with the contents of the cabinet?

A

III

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26
Q

Which characteristic is most important for a container used for the disposal of sharp items?

A

puncture resistant

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27
Q

Whose responsibility is it to follow the disposal of waste until its ultimate point of disposal?

A

The individuals whose activities generated the waste

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28
Q

For small scale accidents in the facility, in what order should the following three steps be taken?

A

leave the area, call for help, secure the area

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29
Q

What is the most essential component of an effective occupational health and safety program?

A

An adequate risk assessment

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30
Q

For easy identification of different items in first-aid kits, a system based on _____ has been adopted.

A

colors

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31
Q

Which type of radiation is electromagnetic radiation generated non-radioactively?

A

X-rays

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32
Q

Heavy equipment, sharps, and animal bites are considered what type of hazard?

A

physical

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33
Q

What best describes recombinant DNA?

A

DNA created in a laboratory

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34
Q

What protective item is required in facilities housing aquatic species?

A

GFCI outlets

35
Q

What protective item is required in facilities housing aquatic species?

A

GFCI outlets

36
Q

What action must always be done before opening the door of an autoclave?

A

Check the pressure gauge

37
Q

Which type of chemical responds strongly in the presence of water?

A

Reactive

38
Q

What is Bremsstrahlung?

A

An X-ray produced by beta particles when they decelerate

39
Q

Which ABSL level relates to infectious agents that can cause serious or potentially lethal diseases when inhaled?

A

ABSL-3 and higher

40
Q

Which class of biosafety cabinets offers the most protection to personnel?

A

III

41
Q

As a radioactive substance decays, the energy and particles that are emitted are referred to by which term?

A

radiation

42
Q

Which article of PPE is most important to wear when mixing caustic detergents?

A

eye protection

43
Q

Researchers who work with serum, blood, or tissues from humans or apes should receive which vaccine?

A

Hepatitis B

44
Q

Which modification would best address joint pains developed due to repetitive movements in the job?

A

alternating tasks

45
Q

Statistics show that about ____ % of the people who work with laboratory animals develop allergic symptoms.

A

44

46
Q

What do the “N,” “R,” and “P” in the description of respirators refer to?

A

The respirator’s filter resistance to oil in aerosol

47
Q

Work with moderate risk agents that are associated with human diseases of varying severity should be performed at what ABSL level?

A

2

48
Q

What is the purpose of a radiation film badge?

A

to monitor radiation exposure over time

49
Q

Regularly scheduled testing for tuberculosis is necessary for all personnel who work with which species?

A

NHPs

50
Q

What is used to represent an estimate of the reasonable level of a chemical to which a worker can be exposed without adverse effects?

A

Threshold Limit Value

51
Q

For which type of waste is incineration the method of choice?

A

infectious waste

52
Q

Who has the primary responsibility of protecting an animal care technician from exposure to hazards in the animal facility?

A

the technician

53
Q

What ABSL level should be used when working with an agent whose risk of transmission is unknown?

A

4

54
Q

Which type of ionizing radiation is best described as small particles that move at high speed and are moderately penetrating?

A

Beta particles

55
Q

What agency deals with the safe handling of radioactive isotopes?

A

NRC

56
Q

What agency deals with health and safety requirments?

A

OSHA

56
Q

What agency deals with environmental issues?

A

EPA

57
Q

What agency deals with occupational health and experimentation with hazardous material?

A

OLAW

58
Q

What is risk assessment?

A

knowing what types of hazards are present and determining the level of protection needed to minimize danger

59
Q

Why is it important to obtain a new employee’s health history?

A

to identify conditions that may put them at an increased risk, provide a baseline to identify changes in health

60
Q

What factors help reduce the threat of injury or illness from various hazards in an animal facility?

A

proper equipment storage, clean floor, changing filters, disinfection of work surfaces, proper clothing and footwear, use of PPE when indicated

61
Q

What are examples of ergonomic hazards in an animal facility?

A

pulling, pushing, lifting, bending, carrying heavy loads, repetitive motion, activities in awkward positions, activities with excessive force

62
Q

What are 2 items present in animal facilities that have the potential to cause frostbite?

A

liquid nitrogen and dry ice

63
Q

The Threshold Limit Value does not take _____________________________________ into account.

A

the cumulative exposure of chemicals over time

64
Q

Where is the best place to monitor the environmental levels of waste anesthetic gasses in an animal facility?

A

the breathing zones of the most heavily affected workers

65
Q

What additional guidelines and safety measures are included in the ABSL level as compared to the corresponding BSL level?

A

animal waste handling and facility operation

66
Q

What 3 vaccinations may be recommended for personnel working with lab animals?

A

tetanus, rabies, hepatitis B

67
Q

What is the main difference between an isotope and a radioisotope?

A

isotopes are stable and radioisotopes decay and produce radiation

68
Q

What are beta particles?

A

charged particles, either an electron or positron

69
Q

Thick, dense shielding must be used to protect a worker from what type of radiation.

A

gamma radiation and x-rays

70
Q

Why is it considered best to use powdered rather than powder-free medical exam gloves?

A

manufacturing of powder-free gloves can weaken the material and they tear more easily

71
Q

What biosafety cabinet offers the most protection to personnel?

A

Class III

72
Q

What easy-to-recognize characteristic distinguishes a laminar flow workstation from a Class I or II biosafety cabinet?

A

biosafety cabinets have a front window, laminar flow cabinets do not

73
Q

True or False: Hazardous waste includes contaminated items such as disposable instruments and supplies.

A

True

74
Q

True or False: Materials used in the processing of blood, blood derivatives, or body fluids of infected animals should be considered hazardous waste.

A

True

75
Q

True or False: A sharps container should be sealed to prevent leakage and disposed of as general waste.

A

False

76
Q

True or False: Steam autoclaving is the method of choice for decontaminating small amounts of most infectious waste.

A

True

77
Q

True or False: Some infectious waste can be disposed of in a sanitary landfill after incineration of autoclaving.

A

True

78
Q

True or False: There may be special institutional or local requirements which apply to the management and disposal of non-radioactive animal bedding which contains excreta.

A

True

79
Q

True or False: All non-radioactive disposable sharp items should be placed in a prominently labeled, leak-resistant, puncture-resistant containers.

A

True

80
Q

True or False: Disposable injection needles should always be recapped for disposal?

A

Fasle

81
Q

True or False: Chemical decontamination can be used for BSL-2 agents.

A

True

82
Q

True or False: Dry radioactive waste can be sent to sanitary landfills.

A

False

LATG (24 decks)

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