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17 Questions

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Micro-organism Decontamination Quiz

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Questions and Answers

What is the recommended method for decontamination when working with high-hazard micro-organisms?

Spraying the area with chemical solutions

Using sterilization in an autoclave (correct)

Applying disinfectants on surfaces

Leaving the area untouched

When should disinfectants be used according to the text?

For daily personal use

In place of autoclaving

As the primary method of decontamination

Only when sterilization is not feasible (correct)

What type of indicator is recommended to ensure proper sterilization has occurred?

Visual color indicators

Heat-sensitive autoclave tape (correct)

Microbial growth indicators

Thermometer readings

How often should sterilizing efficiency checks be conducted?

Monthly Signup and view all the answers

Which of the following is NOT a main use for disinfectants as stated in the text?

Disinfecting laminar flow benches Signup and view all the answers

What type of warning signs should be used to clearly indicate a biological hazard?

Standard biological warning signs Signup and view all the answers

When should protective gloves be worn in microbiological laboratories?

When handling infected animals Signup and view all the answers

What should personnel do before and after using protective gloves in microbiological labs?

Disinfect their hands Signup and view all the answers

Why should elbow or foot-operated taps be available in microbiological labs?

To make it easier for personnel to wash their hands Signup and view all the answers

Why is it important to segregate animal rooms from laboratories in microbiological environments?

To prevent cross-contamination between infected and non-infected animals Signup and view all the answers

Why are wounds and infections mentioned as risks in microbiological environments?

To alert personnel about potential routes for further infections Signup and view all the answers

What is the purpose of using a laminar flow clean air bench in a laboratory?

To clean the air within the laboratory Signup and view all the answers

In a biosafety cabinet Class II, how is the operator protected?

By using an air barrier and passing filtered air over the work Signup and view all the answers

Why must safety cabinets be used when handling pathogenic materials?

To protect the work and/or user from exposure Signup and view all the answers

What type of pathogens must be handled in a biosafety cabinet?

Virulent pathogenic organisms Signup and view all the answers

What should be done immediately to any cut or abrasion in a laboratory setting?

Cover it with a waterproof dressing and report any infections immediately Signup and view all the answers

What differentiates a biosafety cabinet Class III from Class I and Class II?

It has built-in air locks for introducing and removing materials Signup and view all the answers