Laboratory Safety Rules

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What percentage of lab-acquired diseases are attributed to a specific incident?

10%
20% (correct)
80%
50%

What is a critical precaution for students who are immunocompromised or immunosuppressed?

Wearing protective eyewear
Using only chemical disinfectants
Carefully considering whether to enroll in the course (correct)
Handling only non-pathogenic microbes

What is the primary concern in a microbiology laboratory?

Safety (correct)
Equipment maintenance
Accurate data collection
Efficient experiment design

What is essential for safe containment of microorganisms in a laboratory?

Good laboratory practices and technique, safety equipment, and facility design (A) Signup and view all the answers

What is the purpose of washing your hands with disinfectant soap when arriving at and leaving the lab?

To reduce the risk of infection (A) Signup and view all the answers

What type of containment practices should be used when isolating bacteria from environmental materials?

BSL2 (B) Signup and view all the answers

What is the primary purpose of disinfecting work areas in the laboratory?

To prevent contamination and the spread of microorganisms (D) Signup and view all the answers

What should you do with loose items of clothing in the laboratory?

Avoid wearing them to prevent accidents (D) Signup and view all the answers

What is the recommended way to store food in the laboratory?

Not allowed in the laboratory (C) Signup and view all the answers

What is the purpose of flame sterilizing inoculating loops and needles?

To prevent contamination and the spread of microorganisms (C) Signup and view all the answers

What should you do with your backpack, purse, and coat in the laboratory?

Store them in the cubbyholes by the front door (D) Signup and view all the answers

Why is it important to label everything clearly in the laboratory?

To keep track of equipment and materials (A) Signup and view all the answers

What should you do when working with a sample that may contain a pathogen?

Use a pipetting aid or adjustable volume pipettors (B) Signup and view all the answers

What is the purpose of familiarizing yourself with the location of safety equipment in the lab?

To know where to find emergency equipment in case of an accident (B) Signup and view all the answers

What should you do with liquids and broth cultures before discarding them?

Autoclave them to sterilize them (A) Signup and view all the answers

What is the purpose of wearing disposable gloves when working with potentially infectious microbes or samples?

To protect yourself from potential pathogens (A) Signup and view all the answers

What should you do with broken glass in the laboratory?

Dispose of it in the broken glass container (A) Signup and view all the answers

What is the reason for treating all microorganisms as potential pathogens?

Because they may be harmful to humans, even if they are not known to be pathogenic (A) Signup and view all the answers