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Decontamination & Sterilization Quiz

15 Questions•

Test your knowledge of decontamination and sterilization methods, procedures, and safety practices for biological materials and equipment.

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Questions

Minutes

70%

Pass Score

Medium

Difficulty

What is decontamination?

A type of chemical reaction

The process of removing or neutralizing contaminants

A type of sterilization

A type of disinfection

What is sterilization?

The process of cleaning surfaces

The complete elimination of all microorganisms

The process of disinfection

The process of sanitization

What is the difference between sterilization and disinfection?

There is no difference

Sterilization eliminates all microorganisms, disinfection reduces them to safe levels

Disinfection is more effective than sterilization

Sterilization is only for chemicals

What is the most common method of sterilization?

Chemical sterilization

Autoclaving (steam under pressure)

UV radiation

Filtration

What temperature and pressure are typically used in autoclaving?

100°C at 1 atmosphere

121°C at 15 psi

150°C at 30 psi

200°C at 50 psi

What is the purpose of biological indicators in sterilization?

To make sterilization more expensive

To verify that sterilization conditions are effective

To speed up the process

To reduce costs

What should be done with contaminated equipment before decontamination?

Use it immediately

Handle it carefully and avoid contact

Throw it away

Ignore the contamination

What is the purpose of chemical decontamination?

To make surfaces look clean

To neutralize or inactivate biological agents

To remove dirt only

To save money

What is the most common chemical disinfectant?

Water

Bleach (sodium hypochlorite)

Alcohol

Soap

What concentration of bleach is typically used for disinfection?

10%

50%

100%

What should be done with biological waste before disposal?

Dispose of it immediately

Autoclave or chemically treat it

Bury it

Burn it in open air

What is the purpose of UV radiation in decontamination?

To heat surfaces

To inactivate microorganisms on surfaces

To remove dirt

To save energy

What should be done with contaminated clothing?

Wear it again

Autoclave or dispose of it properly

Wash it normally

Take it home

What should be done with contaminated surfaces?

Ignore them

Clean and disinfect them immediately

Cover them up

Leave them for later

What should be done after decontamination procedures?

Start work immediately

Verify that decontamination was effective

Ignore the results

Take a break