U1 LAB: LAB SAFETY

Question 1

T/F: Employers are required to provide and pay for PPE.

Answer 1

True

Question 2

This is used wherever hazards of processes or environment, chemical hazards, radiological hazards, or mechanical irritants are encountered in a manner capable of causing injury or impairment in any part of the body through absorption, inhalation or physical contact.

Answer 2

Personal Protective Equipment (PPE)

Question 3

Laboratory chemicals include:

Answer 3

• carcinogens (cancer-causing)
• toxins (affecting liver, kidney and nervous system)
• irritants
• corrosives
• sensitizers
• agents that act on blood
• damage lungs, skin, eyes, or mucous membranes

Question 4

Materials which burn or ignite

Answer 4

Flammable

Question 5

Examples of Flammable chemicals

Answer 5

• Acetonitrile
• Methanol (95% Ethanol)
• Diesel Fuel
• Mineral Spirits
• Acetone

Question 6

Materials which cause visible destruction and/or irreversible alterations at point of contact

Answer 6

Corrosive

Question 7

Examples of Corrosive substances

Answer 7

• Acetic Acid
• Photographer Fixer
• Sodium Hydroxide
• Decalcifying agent

Question 8

Materials which are liable to explore or react violently on contact with air, water, or other chemicals

Answer 8

Reactive

Question 9

Examples of Reactive chemicals

Answer 9

• Benzoyl Peroxide
• Nitric Acid
• Picric Acid
• Silane
• Sodium Metal

Question 10

Materials which cause harm if they enter the body, such as carcinogens, mutagens and poisons

Answer 10

Toxic

Question 11

Examples of Toxic chemicals

Answer 11

• Benzene
• Bromine
• Powdered Inks or Pigments
• Sodium Azide
• Formaldehyde

Question 12

Materials which cause harm by irritating the eyes and/or skin, cause allergic reactions, drowsiness, lack of coordination and/or organ damage

Answer 12

Irritant

Question 13

Materials which are toxic and/or cause harm to the environment at large, particularly aquatic animals

Answer 13

Environmental Hazard

Question 14

Examples of Environmental Hazard chemicals

Answer 14

• Anthrax
• Arsenic
• Asbestos
• Lead
• Mercury
• Oil

Question 15

5 major elements of Laboratory standard

Answer 15

1. Hazard Identification
2. Chemical Hygiene Plan
3. Information and training
4. Exposure monitoring
5. Medical consultation and examinations

Question 16

These are biological agents, and biological toxins.

Answer 16

Biological hazards

Question 17

These hazards are present in various sources throughout the laboratory such as blood and body fluids, culture specimens, body tissue and cadavers, laboratory animals as well as other workers.

Answer 17

Biological Hazard

Question 18

This standard is designed to protect workers from health hazards of exposure to blood borne pathogens

Answer 18

OSHA Bloodborne Pathogens (BBP)

Question 19

BBP includes the following:

Answer 19

• written Exposure Control Plan
• training
• use of Standard Precautions when dealing with blood and OPIM

Question 20

OPIM stands for?

Answer 20

Other Potentially Infectious Materials

Question 21

OSHA revised the BBP stands for?

Answer 21

Needlestick Safety and Prevention Act

Question 22

Revision of OSHA BBP

Answer 22

• Selection of safer needle devices, and involving workers in identifying and choosing these devices
• Maintain a log of injuries from contaminated sharps

Question 23

OSHA defines blood to mean?

Answer 23

• human blood
• human blood components
• products made from human blood

Question 24

under OPIM

Answer 24

1. Other body fluids
2. Any unfixed tissue or organ
3. HIV- or HBV-containing cell or tissue cultures

Question 25

T/F: OPIM includes any unfixed tissue or organ from the dead or living.

Answer 25

True

Question 26

Risk for repetitive motion injuries

Answer 26

Ergonomic Hazards

Question 27

Routine procedures that may cause ergonomic hazards

Answer 27

- Pipetting - Working at microscopes - Operating microtomes - Cell counters and keyboarding at computer - Standing and working in awkward positions in front of laboratory hoods/biological safety

Question 28

Repetitive motion injuries develop over time and occur when?

Answer 28

- muscles and joints are stressed - tendons are inflamed - nerves are pinched - flow of blood is restricted

Question 29

This is described as a series of energy waves composed of oscillating electric and magnetic fields travelling at the speed of light.

Answer 29

Non-ionizing Radiation

Question 30

Non-ionizing Radiation includes

Answer 30

- ultraviolet (UV) - visible light - infrared (IR) - microwave (MW) - radio frequency (RF) - extremely low frequency (ELF)

Question 30

OSHA's hearing conservation program

Answer 30

- use of PPE - workers are exposed to a TWA of > 85 dBA over an 8 hour work shift (develop monitoring program to assess noise levels)

Question 31

________ centrifuge rotors can result in injury, or even death.

Answer 31

Unbalanced

Question 32

Breakage of this can generate aerosols that may be harmful if inhaled

Answer 32

sample container

Question 33

Majority of all centrifuge accidents are the result of?

Answer 33

user error

Question 34

Electrical hazards include?

Answer 34

electric shock, electrocutions, fires and explosions

Question 35

Electrical hazards can result from?

Answer 35

- faulty electrical equipment/instrumentation or wiring - damaged receptacles and connectors - unsafe work practices

Question 36

Most common serious hazard in the laboratory

Answer 36

Fire hazard

Question 37

This requires that all employers keep all places of employment clean and orderly and in a sanitary condition/

Answer 37

Walking/Working Surfaces standard

Question 38

This must be worn in instances when gross contamination can reasonably be anticipated.

Answer 38

Surgical caps or hoods, shoe covers or boots

Question 39

If the floor is not on fire, you must?

Answer 39

Stop, Drop and Roll