Lab Safety and PPE

What is the most appropriate attire for a laboratory setting to ensure safety?

• Shorts and sandals

• Loose-fitting clothing

• Closed-toe shoes and a lab coat

• Sleeveless shirts and flip-flops

• Skirts or dresses

Which of the following is NOT a recommended action in case of a chemical spill on your skin?

• Rinse the affected area with water for at least 15 minutes

• Remove any contaminated clothing

• Report the incident to your lab supervisor immediately

• Apply a neutralizing agent directly to the spill

• Seek medical attention if necessary

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

• Quickly clean up the large pieces and leave the small ones for later
  

• se your bare hands to pick up the broken glass

• Notify your lab supervisor and follow proper cleanup procedures

• Place the broken glass in the regular trash bin

• Ignore it and continue with your experiment

Which of the following is NOT a safe practice when using laboratory equipment?

• Always read and follow the user manual for the equipment

• Keep food and drinks away from the lab area

• Use damaged or malfunctioning equipment if necessary

• Make sure to turn off equipment after use

• Wear appropriate personal protective equipment (PPE)

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

• To store chemicals and equipment

• To provide additional storage space for researchers

• To dispose of waste materials

• To keep experimental results confidential

• To contain and exhaust hazardous fumes

When heating substances in a test tube, what precaution should be taken to prevent pressure buildup?

• Tightly cap the test tube

• Use a smaller flame for heating

• Point the open end of the test tube towards yourself

• Heat the test tube in an open flame without caution

• Do not use a test tube holder

Before using electrical equipment in the lab, you should:

• Inspect the cords and plugs for damage

• Overload the electrical outlets to save time

• Use wet hands to handle the equipment

• Ignore any sparks from the equipment

• Plug multiple devices into a single outlet

What is the correct way to handle chemicals in the laboratory?

• Smell the chemicals directly to identify them

• Pour excess chemicals back into the original container

• Label all containers with clear contents and hazard information

• Combine chemicals from different containers to save space

• Taste a small amount of the chemical to check for sweetness

When should safety goggles be worn in the laboratory?

• Only during particularly dangerous experiments

• Only when handling corrosive chemicals

• Only when working with an open flame

• At all times while in the laboratory, regardless of the task

• Only when working with biological materials

What is the proper way to dispose of used needles or sharp objects in the lab?

• Wrap them in paper and place them in the regular trash bin

• Throw them directly into the recycling bin

• Dispose of them in a designated sharps container

• Leave them on the lab bench for someone else to handle

• Wash them thoroughly and reuse if possible