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CTLE Past Board Exam > Chemical Safety > Flashcards

Chemical Safety Flashcards

(57 cards)

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1
Q

Which of the following is an example of substitution in a
laboratory?

A

Using a less toxic chemical in place of a more toxic chemical

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2
Q

Which of the following is the most effective principle of laboratory
safety?

A

Elimination

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2
Q

What is the difference between a fire extinguisher and a fire blanket?

A

A fire extinguisher is used to put out a fire, while a fire blanket is used to smother a fire

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2
Q

Which of the following is an example of an administrative control in a laboratory?

A

Posting safety signs and labels

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2
Q

What type of gloves should you wear when working with chemicals?

A

Nitrile gloves

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3
Q

What should you do if you break a glass beaker in a chemical laboratory?

A

Use a dustpan and brush to sweep up the broken glass

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3
Q

Which of the following is a physical hazard in a chemical laboratory?

A

Flammable liquids

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4
Q

Which of the following is a chemical hazard in a chemical laboratory?

A

Inhalation of toxic fumes

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5
Q

Which of the following is an environmental hazard in a chemical
laboratory?

A

Contamination of water resources

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5
Q

Which of the following is a principle of green chemistry?

A

Use of renewable energy sources

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5
Q

What are the different types of fire extinguisher ratings?

A

Class A, B, C, D

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6
Q

What is the proper way to use a fire extinguisher?

A

Pull the pin, aim at the BASE of the fire, and squeeze the handle.

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7
Q

What is the difference between a fire extinguisher and a fire sprinkler?

A

All of the choices
A fire extinguisher is used by a person, while a fire sprinkler is
activated automatically.
A fire extinguisher is used to put out a fire, while a fire sprinkler is
used to prevent a fire from starting.
A fire extinguisher is a portable device, while a fire sprinkler is a
fixed device.

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8
Q

Hierarchy of Controls

A
  1. Elimination
  2. Substitution
  3. Engineering Controls
  4. Administrative Controls
  5. Personal Protective Equipment
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8
Q

Eye and Face Protection

A
  1. General safety goggles
  2. Laser safety goggles (UV radiation)
  3. Chemical splash goggles
  4. Impact goggles (particulate)
  5. Face shields
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9
Q

Surgical masks

A

Biological

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9
Q

N-95 respirators

A

Biological, chemical, environmental

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9
Q

Half-mask respirators & full-face respirators

A

Biological, chemical, environmental, particulate matter

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9
Q

Natural rubber latex

A

Chemical resistant, liquid-proof

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10
Q

Nitrile

A

chemical resistant, good puncture, cut, and abrasion resistance

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11
Q

Cryogen

A

water resistant, or water proof, protection against ultra-cold temperatures

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11
Q

Butyl & Viton II

A

high permeation resistance to most chemicals

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12
Q

Silver shield

Study These Flashcards
A

Extra chemical and mechanical protection

13
Q

What should you do if you get a
chemical in your eye?

Study These Flashcards
A

All of the above
(Rinse your eye with water for 15 minutes.
Apply a cold compress to your eye.
Seek medical attention immediately.)

13
Terrycloth autoclave
heat resistant
14
Wire mesh
cut resistant
15
What type of gloves should you wear when working with chemicals?
Nitrile gloves
16
What should you do if you spill a chemical on your skin?
All of the above (Rinse your skin with water for 15 minutes. Apply a cold compress to your skin. Remove your contaminated clothing and wash your skin with soap and water.)
16
Chemicals that can cause harm if ingested, inhaled, or absorbed through the skin.
Toxic
16
Chemical Hazards
1. Toxic 2. Corrosive 3. Flammable 4. Explosive
17
Chemicals that can cause damage to skin or tissue.
Corrosive
18
Chemicals that can explode under certain conditions
Explosive
18
Chemicals that can easily catch fire.
Flammable
18
Physical Hazards
1. Electrical Hazard (shock, electrocuted) 2. Mechanical Hazard (grinding) 3. Thermal Hazard (fume hood, furnace) 4. Radiation Hazard 5. Fire Hazard
19
Biological Hazards
1. Infectious agents 2. Toxins 3. Allergens
20
Organisms that can cause disease, such as bacteria, viruses, or fungi.
Infectious agents
21
Substances produced by living organisms that can cause harm if ingested, inhaled, or absorbed through the skin.
Toxins
22
The amount of a chemical that is absorbed by and dispersed throughout an organism is known as its
bioavailability
22
Substances that can cause an allergic reaction in some people.
Allergens
23
The cumulative effect of an agent's uptake, transformation, and removal by an organism as a result of all routes of exposure is known as
bioaccumulation
24
Intake, modification, and removal of a material by an organism as a result of exposure to aquatic contaminants result in
bioconcentration
24
What is the purpose of a fire extinguisher?
To put out a fire
25
Used to extinguish Class A fires, which are fires involving ordinary combustibles such as wood, paper, and cloth.
Water extinguishers
25
Different types of fire extinguishers
A. Water extinguishers B. Foam extinguishers C. Dry chemical extinguishers D. Carbon dioxide extinguishers
26
Used to extinguish Class B fires, which are fires involving flammable liquids such as gasoline, oil, and grease.
Foam extinguishers
26
Used to extinguish Class C fires, which are fires involving electrical equipment.
Dry chemical extinguishers
27
Used to extinguish Class D fires, which are fires involving combustible metals.
Carbon dioxide extinguishers
28
It is the design of chemical products and processes that reduce or eliminate the use or generation of hazardous substances.
Green chemistry
28
Which of the following is not a principle of green chemistry?
use of non-toxic chemicals
29
Which of the following is a green chemistry solvent?
water
29
Which of the following is a principle of green chemistry?
Minimization of energy consumption
30
Which of the following is a green chemistry principle?
Use of renewable energy sources
31
Which of the following is a green chemistry principle?
Use of recyclable materials
32
Which of the following is a green chemistry principle?
Use of biodegradable materials
33
Encourages the efficient use of chemicals by making it feasible to quickly ascertain which ones are on hand.
Chemical Inventory
34
How often should an inventory of chemicals be updated?
Annually
35
Who should be responsible for maintaining an inventory of chemicals?
safety officer lab manager department head laboratory analyst logistics purchasing

CTLE Past Board Exam (9 decks)

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