LATG 07: Occupational Health and Safety

Question 1

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

Answer 1

True

Question 2

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

Answer 2

False

Question 3

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

Answer 3

fire extinguisher

Question 4

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

Answer 4

Check the pressure gauge\

Question 5

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

Answer 5

False

Question 6

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

Answer 6

False

Question 7

Safety data sheets provide _____________ data and _____________ information.

Answer 7

physical property, toxicological

Question 8

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

Answer 8

False

Question 9

How many protons do alpha particles have?

Answer 9

2

Question 10

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

Answer 10

Radioisotopes

Question 11

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

Answer 11

gamma radiation and x-rays

Question 12

What is Bremsstrahlung?

Answer 12

An X-ray produced by beta particles when they decelerate

Question 13

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

Answer 13

44

Question 14

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

Answer 14

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

Question 15

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

Answer 15

NHP

Question 16

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

Answer 16

1

Question 17

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

Answer 17

4

Question 18

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

Answer 18

True

Question 19

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

Answer 19

OSHA

Question 20

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

Answer 20

animal hide

Question 21

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

Answer 21

not resistant to oil

Question 22

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

Answer 22

III

Question 23

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

Answer 23

True

Question 24

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

Answer 24

False

Question 25

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

Answer 25

III

Question 26

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

Answer 26

puncture resistant

Question 27

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

Answer 27

The individuals whose activities generated the waste

Question 28

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

Answer 28

leave the area, call for help, secure the area

Question 29

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

Answer 29

An adequate risk assessment

Question 30

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

Answer 30

colors

Question 31

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

Answer 31

X-rays

Question 32

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

Answer 32

physical

Question 33

What best describes recombinant DNA?

Answer 33

DNA created in a laboratory

Question 34

What protective item is required in facilities housing aquatic species?

Answer 34

GFCI outlets

Question 35

What protective item is required in facilities housing aquatic species?

Answer 35

GFCI outlets

Question 36

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

Answer 36

Check the pressure gauge

Question 37

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

Answer 37

Reactive

Question 38

What is Bremsstrahlung?

Answer 38

An X-ray produced by beta particles when they decelerate

Question 39

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

Answer 39

ABSL-3 and higher

Question 40

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

Answer 40

III

Question 41

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

Answer 41

radiation

Question 42

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

Answer 42

eye protection

Question 43

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

Answer 43

Hepatitis B

Question 44

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

Answer 44

alternating tasks

Question 45

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

Answer 45

44

Question 46

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

Answer 46

The respirator's filter resistance to oil in aerosol

Question 47

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

Answer 47

2

Question 48

What is the purpose of a radiation film badge?

Answer 48

to monitor radiation exposure over time

Question 49

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

Answer 49

NHPs

Question 50

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

Answer 50

Threshold Limit Value

Question 51

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

Answer 51

infectious waste

Question 52

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

Answer 52

the technician

Question 53

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

Answer 53

4

Question 54

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

Answer 54

Beta particles

Question 55

What agency deals with the safe handling of radioactive isotopes?

Answer 55

NRC

Question 56

What agency deals with health and safety requirments?

Answer 56

OSHA

Question 56

What agency deals with environmental issues?

Answer 56

EPA

Question 57

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

Answer 57

OLAW

Question 58

What is risk assessment?

Answer 58

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

Question 59

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

Answer 59

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

Question 60

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

Answer 60

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

Question 61

What are examples of ergonomic hazards in an animal facility?

Answer 61

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

Question 62

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

Answer 62

liquid nitrogen and dry ice

Question 63

The Threshold Limit Value does not take _____________________________________ into account.

Answer 63

the cumulative exposure of chemicals over time

Question 64

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

Answer 64

the breathing zones of the most heavily affected workers

Question 65

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

Answer 65

animal waste handling and facility operation

Question 66

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

Answer 66

tetanus, rabies, hepatitis B

Question 67

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

Answer 67

isotopes are stable and radioisotopes decay and produce radiation

Question 68

What are beta particles?

Answer 68

charged particles, either an electron or positron

Question 69

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

Answer 69

gamma radiation and x-rays

Question 70

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

Answer 70

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

Question 71

What biosafety cabinet offers the most protection to personnel?

Answer 71

Class III

Question 72

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

Answer 72

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

Question 73

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

Answer 73

True

Question 74

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

Answer 74

True

Question 75

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

Answer 75

False

Question 76

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

Answer 76

True

Question 77

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

Answer 77

True

Question 78

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.

Answer 78

True

Question 79

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

Answer 79

True

Question 80

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

Answer 80

Fasle

Question 81

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

Answer 81

True

Question 82

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

Answer 82

False