#1
What should you do if you spill a chemical on your skin in the laboratory?
Wash the affected area with water for at least 15 minutes.
ExplanationImmediate and thorough washing helps to mitigate chemical exposure.
#2
Which of the following is NOT a proper attire for a laboratory?
Shorts and flip-flops
ExplanationInadequate attire exposes the skin to potential hazards.
#3
Why is it important to wash your hands after working in a laboratory?
To remove any chemicals or contaminants from your hands
ExplanationPrevents potential ingestion or transfer of hazardous substances.
#4
What is the purpose of an emergency eyewash station in the laboratory?
To flush eyes in case of chemical exposure
ExplanationProvides immediate treatment to prevent eye damage.
#5
Why should you never taste chemicals in the laboratory?
To prevent accidental poisoning or harm
ExplanationTasting chemicals can lead to severe health consequences.
#6
What is the role of safety data sheets (SDS) in the laboratory?
To provide information on the properties and hazards of chemicals
ExplanationCritical for safe handling and storage of chemicals.
#7
What is the purpose of a chemical fume hood in the laboratory?
To contain and remove hazardous fumes
ExplanationPrevents inhalation of harmful vapors during experiments.
#8
What is the first thing you should do if you spill a chemical on yourself?
Flush the affected area with water
ExplanationImmediate action to minimize chemical exposure.
#9
What should you do before using any laboratory equipment for the first time?
Read the instruction manual and ask for assistance if needed.
ExplanationProper familiarization enhances safe usage.
#10
Which of the following is NOT a common hazard in a laboratory setting?
Loud noises
ExplanationWhile loud noises may occur, they are not inherently hazardous.
#11
Which of the following is an appropriate action if you notice a damaged electrical cord in the laboratory?
Replace it with a new cord immediately.
ExplanationPrevents electrical hazards and potential accidents.
#12
What is the purpose of a fume hood in a laboratory?
To contain and remove hazardous fumes
ExplanationSafely vents harmful vapors away from the user.
#13
What is the correct procedure for handling broken glassware in the laboratory?
Use gloves and a dustpan to carefully clean it up, then dispose of it in a designated glass waste container.
ExplanationMinimizes the risk of cuts and ensures proper disposal.
#14
What is the recommended procedure if a laboratory experiment generates excessive fumes or odors?
Open windows and doors to ventilate the area.
ExplanationDilutes and disperses harmful vapors, improving air quality.
#15
Why is it important to wear appropriate personal protective equipment (PPE) in the laboratory?
To avoid accidents and exposure to hazardous substances
ExplanationProvides a physical barrier against potential dangers.
#16
What should you do if you accidentally inhale a chemical vapor in the laboratory?
Seek fresh air immediately and inform a supervisor.
ExplanationPrevents further inhalation and notifies for prompt action.
#17
What is the correct way to handle a chemical spill in the laboratory?
Promptly alert others and follow the laboratory's spill response procedure, which may involve containing the spill, evacuating the area, and cleaning up the spill using appropriate materials and protective equipment.
ExplanationEnsures a systematic and safe response to minimize risks.
#18
What should you do if you accidentally ingest a chemical in the laboratory?
Seek medical attention and inform a supervisor.
ExplanationAddresses potential health risks promptly.
#19
Why is it important to maintain a clean and organized laboratory workspace?
To avoid accidents and spills
ExplanationReduces the risk of mishaps and enhances efficiency.
#20
What is the purpose of conducting regular safety inspections in the laboratory?
To identify and correct potential hazards
ExplanationPrevents accidents by addressing risks proactively.
#21
Why should you not wear contact lenses in the laboratory?
Because they can trap chemicals against the eye
ExplanationImproper eye protection, increasing the risk of chemical exposure.
#22
What is the primary purpose of a safety shower in the laboratory?
To rinse chemicals off the body
ExplanationProvides rapid decontamination in case of chemical exposure.
#23
What does the acronym 'MSDS' stand for in laboratory safety?
Material Safety Data Sheet
ExplanationProvides crucial information on chemical properties and hazards.
#24
What is the proper way to extinguish a small fire caused by a chemical spill in the laboratory?
Use a fire extinguisher appropriate for chemical fires.
ExplanationEnsures effective and safe suppression of chemical fires.
#25
Why is it important to label all chemical containers in the laboratory?
To comply with regulations
ExplanationEnsures proper identification and handling of chemicals.