#1
Which of the following is a primary reason for wearing personal protective equipment (PPE) in a laboratory?
To prevent exposure to hazardous materials
ExplanationPPE is worn to shield against dangerous substances.
#2
What should you do if a laboratory chemical comes in contact with your eyes?
Flush eyes with water for at least 15 minutes at the eyewash station
ExplanationImmediate flushing helps prevent further damage.
#3
In the event of a laboratory fire, what is the correct action to take first?
Evacuate the building immediately
ExplanationImmediate evacuation prioritizes safety.
#4
What type of fire is appropriate for using a water extinguisher?
Wood and paper fires
ExplanationWater extinguishers are effective against combustible materials.
#5
What does the acronym PPE stand for in laboratory safety?
Personal Protective Equipment
ExplanationPPE shields against workplace hazards.
#6
In case of a chemical spill on your skin, what is the recommended first aid action?
Wash the affected area with water for at least 15 minutes
ExplanationImmediate washing helps mitigate chemical effects.
#7
What does the acronym MSDS stand for in laboratory safety?
Material Safety and Data Sheets
ExplanationMSDS provides vital information on hazardous materials.
#8
Which of the following is a common symbol used to indicate the presence of a biohazard in a laboratory?
Biohazard symbol
ExplanationThe biohazard symbol signifies potential biological hazards.
#9
What does the acronym PASS stand for when using a fire extinguisher?
Pressure, Aim, Squeeze, Sweep
ExplanationPASS outlines the steps for effective fire extinguisher use.
#10
Why is it important to tie back long hair and avoid loose clothing in the laboratory?
To prevent hair and clothing from getting caught in equipment or flames
ExplanationPrecautions reduce risks of accidents or burns.
#11
What is the purpose of a spill kit in a laboratory?
To contain and clean up hazardous spills
ExplanationSpill kits aid in swift and safe cleanup.
#12
Which fire extinguisher is suitable for use on electrical fires in a laboratory?
Carbon dioxide (CO2) extinguisher
ExplanationCO2 extinguishers are safe for electrical fires.
#13
What is the purpose of an emergency eyewash station in a laboratory?
To provide a quick rinse for eyes exposed to chemicals
ExplanationEyewash stations offer immediate relief for eye exposure.
#14
Why is it important to label all chemical containers in a laboratory?
To provide information about the contents and hazards
ExplanationLabels ensure safe handling and awareness of risks.
#15
What is the primary purpose of a fume hood in a laboratory?
To provide ventilation and control exposure to hazardous fumes
ExplanationFume hoods safeguard against inhalation of harmful gases.
#16
When handling glassware in a laboratory, what precaution should be taken to prevent breakage?
Inspect glassware for cracks or defects before use
ExplanationInspection minimizes the risk of accidents.
#17
What is the purpose of an emergency shower in a laboratory?
To provide a quick rinse for the entire body in case of chemical exposure
ExplanationEmergency showers swiftly wash off chemicals to prevent harm.