Laboratory Procedures and Safety Quiz

Test your knowledge with questions on safety practices, emergency procedures, and chemical handling in laboratories.

#1

What is the correct procedure for disposing of chemical waste in a laboratory?

Pour it down the sink with plenty of water
Dispose of it in the trash bin
Follow the instructions provided by your instructor or the lab protocol
Leave it on the lab bench for later disposal
#2

Which of the following is NOT a recommended safety practice in the laboratory?

Wearing appropriate personal protective equipment (PPE)
Eating and drinking in the laboratory
Using caution when handling glassware
Keeping work areas clean and uncluttered
#3

What is the correct procedure for handling broken glassware in a laboratory?

Pick up broken glass with bare hands
Use gloves to pick up broken glass, dispose of it in a designated container, and clean the area thoroughly
Leave broken glass on the floor until the end of the experiment
Ignore broken glass and continue working
#4

What does PPE stand for in laboratory safety?

Personal Protective Equipment
Professional Protection Equipment
Preventive Protection Equipment
Productive Protection Equipment
#5

What is the correct procedure for handling a fire blanket in case of a small laboratory fire?

Drape the fire blanket over the fire and leave it unattended
Smother the fire by placing the fire blanket over the flames and then turn off any heat source
Wave the fire blanket in the air to create airflow
Wrap yourself in the fire blanket for protection
#6

What is the purpose of conducting regular safety inspections in a laboratory?

To create more paperwork
To identify and correct potential hazards before accidents occur
To waste time
To increase laboratory expenses
#7

What does MSDS stand for in laboratory safety?

Material Safety Data Sheet
Medical Safety Data Sheet
Material Storage Data Sheet
Medical Storage Data Sheet
#8

What is the proper way to use a fire extinguisher in case of a small laboratory fire?

Spray the fire extinguisher in the direction of the fire
Pull the pin, aim at the base of the fire, squeeze the handle, and sweep from side to side
Throw the fire extinguisher directly into the fire
Wait for the fire to burn out on its own
#9

What is the purpose of a fume hood in a laboratory?

To provide extra storage space
To heat chemicals
To contain and vent hazardous fumes
To mix chemicals
#10

Which of the following is NOT an appropriate attire for a laboratory?

Shorts and sandals
Closed-toe shoes
Long pants
Lab coat
#11

What does WHMIS stand for in laboratory safety?

Workplace Hazardous Materials Information System
Workplace Hazardous Materials Identification System
Workplace Hazardous Materials Information Sheet
Workplace Hazardous Materials Identification Sheet
#12

What is the purpose of a chemical spill kit in a laboratory?

To clean the laboratory floor
To store excess chemicals
To quickly contain and clean up chemical spills
To mix chemicals
#13

What is the purpose of an emergency eyewash station in a laboratory?

To wash hands
To clean laboratory equipment
To flush eyes with water in case of chemical exposure
To refill water bottles
#14

What should you do if you spill a chemical on your skin in the laboratory?

Ignore it and continue working
Wash the affected area with water for at least 15 minutes and notify your instructor immediately
Use a paper towel to wipe it off quickly
Apply an unknown substance from the lab to neutralize the chemical
#15

What is the proper way to handle volatile chemicals in a laboratory?

Store them in an open area for easy access
Use them in a well-ventilated area and keep them away from heat sources and flames
Mix them with other chemicals for better results
Store them in direct sunlight for faster reactions
#16

Why should you never pipette chemicals by mouth in the laboratory?

It's faster than using a pipette
It's more accurate
It's safer to avoid potential ingestion of harmful substances
It's more convenient

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