#1
Which of the following is NOT a basic laboratory safety rule?
Eating and drinking in the laboratory
ExplanationConsumption of food or drinks in the laboratory increases the risk of contamination and ingestion of hazardous substances.
#2
What does SDS stand for in the context of laboratory safety?
Safety Data Sheet
ExplanationSDS provides detailed information about the hazards, handling, storage, and emergency measures for chemicals in the laboratory.
#3
Which of the following is NOT a suitable footwear for a laboratory?
Open-toed sandals
ExplanationOpen-toed sandals provide inadequate protection against spills, falling objects, and chemical exposure in the laboratory environment.
#4
What does the acronym PPE stand for in the context of laboratory safety?
Personal Protective Equipment
ExplanationPPE includes clothing, helmets, goggles, or other garments designed to protect the wearer's body from injury or infection.
#5
What does the acronym WHMIS stand for in the context of laboratory safety?
Workplace Hazardous Materials Information System
ExplanationWHMIS provides standardized labeling and safety data sheets to communicate hazards associated with workplace chemicals.
#6
Which of the following is NOT a recommended practice for storing chemicals in the laboratory?
Storing incompatible chemicals together
ExplanationStoring incompatible chemicals together increases the risk of chemical reactions, spills, and exposure to hazardous fumes.
#7
Which of the following is NOT a recommended practice for handling laboratory glassware?
Using cracked glassware
ExplanationCracked glassware poses a higher risk of breakage and potential exposure to hazardous materials.
#8
What should you do in the event of a chemical spill?
Notify your instructor or supervisor immediately
ExplanationPrompt notification allows for proper containment and cleanup procedures to minimize exposure and environmental damage.
#9
What should you do if a fire breaks out in the laboratory?
Use the appropriate fire extinguisher and evacuate the area
ExplanationProper fire extinguisher use and evacuation minimize fire damage and ensure the safety of individuals in the laboratory.
#10
What is the recommended procedure for disposing of chemical waste?
Follow the specific guidelines provided by the laboratory
ExplanationProper disposal methods vary depending on the nature of the chemicals, and adherence to guidelines ensures environmental and human safety.
#11
Which of the following is NOT a component of an effective laboratory emergency plan?
A detailed inventory of laboratory equipment
ExplanationWhile important, a detailed inventory of equipment is not central to emergency response but rather aids in routine management.
#12
What is the purpose of conducting a risk assessment before performing an experiment in the laboratory?
To identify potential hazards and implement safety measures
ExplanationRisk assessment allows for preemptive identification and mitigation of hazards, ensuring safe experimental procedures.
#13
What is the purpose of a fume hood in a laboratory?
To protect the user from inhaling harmful fumes
ExplanationFume hoods help to contain and remove hazardous vapors, protecting laboratory personnel from inhalation exposure.
#14
What should you do if you accidentally spill a small amount of a hazardous chemical on your skin?
Immediately flush the affected area with water for at least 15 minutes
ExplanationImmediate flushing helps to dilute and remove the chemical, reducing the risk of skin damage or absorption.
#15
What should you do if you accidentally inhale a small amount of a toxic gas in the laboratory?
Immediately move to an area with fresh air and seek medical attention if necessary
ExplanationRemoving oneself from the source of exposure and seeking medical aid mitigate the risk of adverse health effects from inhalation.