Chapter 7 Occupational Health and Safety

Question 1

Which individual or group has a responsibility in developing and implementing the components of the institution’s occupational health and safety program?

Answer 1

• The institution’s environmental health and safety personnel
• The investigators
• the senior institutional official

Question 2

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

Answer 2

false

Question 3

The skill and experience of the employee should be considered in assessing risks.

Answer 3

True

Question 4

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

Answer 4

Check the pressure gauge

Question 5

If a trash can has a biohazard sign on it, it can be used for the disposal of sharps.

Answer 5

False

Question 6

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

Answer 6

A fire extinguisher

Question 7

Which practice would not address noise issues in the animal facility?

Answer 7

Using rubber tool handles to lessen vibrations

Question 8

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

Answer 8

False

Question 9

Which of the following are potential chemical hazards?

Answer 9

• test substances used in experiments
• Disinfectants
• Inhalant anesthetics

Question 10

Detergents and disinfectants are not considered hazardous chemicals.

Answer 10

false

Question 11

Safety sheets provide BLANK data and BLANK information

Answer 11

physical property, toxicological

Question 12

Which of the following describes carbon-14, tiritum (3H), and iodine-125?

Answer 12

Radioisotopes

Question 13

Which statement best describes gamma radiation?

Answer 13

They are a type of electromagnetic radiation

Question 14

What is Bremsstrahlung?

Answer 14

An x-ray produced by beta particles when they decelerate

Question 15

What best describes beta particles?

Answer 15

They are charged particles, either an electron or positron

Question 16

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

Answer 16

Gamma radiation and x-rays

Question 17

Which statement best describes alpha particles?

Answer 17

They consist of two protons

Question 18

Statistics show that about BLANK % of the people who work with laboratory animals develop allergic symptons

Answer 18

44

Question 19

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

Answer 19

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

Question 20

Which of the following is NOT a zoonotic disease?

Answer 20

Parovirus

Question 21

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

Answer 21

Nonhuman primates

Question 22

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

Answer 22

4

Question 23

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

Answer 23

1

Question 24

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

Answer 24

True

Question 25

What does the "N" indicate in a N-95 respirator?

Answer 25

Not resistant to oil

Question 26

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

Answer 26

OSHA

Question 27

Which precaution is important for personnel who handle hazardous waste?

Answer 27

- Wear gloves - Wash hands frequently - Wear laboratory coats

Question 28

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

Answer 28

Animal hide

Question 29

Burners should not be used in Class 2 biosafety cabinets.

Answer 29

True

Question 30

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

Answer 30

Class 3

Question 31

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

Answer 31

Class 3

Question 32

HEPA filters remove dangerous gases from the air.

Answer 32

False

Question 33

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

Answer 33

Puncture-resistance

Question 34

Which of the following is an example of general waste?

Answer 34

soiled bedding

Question 35

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

Answer 35

The individuals whose activities generated the waste.

Question 36

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

Answer 36

Leave the area Call for help Secure the area

Question 37

Which article of personal protective equipment would NOT be necessary when processing waste in an autoclave in a basic containment laboratory?

Answer 37

Face shield

Question 38

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

Answer 38

2

Question 39

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

Answer 39

Beta particles

Question 40

Which practice does NOT decrease exposure to allergens?

Answer 40

Wearing safety glasses

Question 41

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

Answer 41

Threshold Limit Value

Question 42

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

Answer 42

Physical

Question 43

Exposure to which of the following is a potential hazard related to the use of lasers during surgery?

Answer 43

Aerosols and gases

Question 44

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

Answer 44

An adequate risk assessment

Question 45

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

Answer 45

Color

Question 46

Exposure to which of the following is a potential hazard related to the use of lasers during surgery?

Answer 46

Aerosols and gases

Question 47

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

Answer 47

Reactive

Question 48

Which type of radiation is electromagnetic radiation generated from radioactive decay?

Answer 48

Gamma radiation

Question 49

Which practice does NOT decrease exposure to allergens?

Answer 49

Wearing safety glasses

Question 50

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

Answer 50

4

Question 51

Which article of personal protective equipment would NOT be necessary when processing waste in an autoclave in a basic containment laboratory?

Answer 51

A respirator