#1
Which of the following is an example of a personal protective equipment (PPE) commonly used in laboratories?
Safety goggles
ExplanationSafety goggles protect the eyes from chemical splashes and other hazards in the laboratory.
#2
What does MSDS stand for in the context of laboratory safety?
Material Safety and Data Sheet
ExplanationMSDS provides information on the properties and hazards of chemicals, aiding safe handling and storage.
#3
What should you do if you accidentally spill a chemical on your skin?
Wash the affected area with water immediately
ExplanationImmediate washing helps minimize chemical exposure and reduce potential harm to the skin.
#4
Why is it important to label chemical containers in the laboratory?
To prevent accidental misuse or mixing
ExplanationClear labeling helps prevent accidents by ensuring proper identification and use of chemicals.
#5
What is the purpose of an emergency eyewash station in a laboratory?
To flush eyes if they come into contact with chemicals
ExplanationEyewash stations provide immediate relief for eye exposure to chemicals, preventing potential injuries.
#6
Which of the following is NOT a proper action in case of a chemical spill in the laboratory?
Attempting to clean up the spill by yourself without proper training
ExplanationUntrained cleanup attempts can lead to injuries; professionals should handle chemical spills.
#7
What does the acronym OSHA stand for in the context of occupational safety?
Occupational Safety and Health Administration
ExplanationOSHA sets and enforces standards to ensure safe and healthy working conditions.
#8
What is the primary purpose of conducting a risk assessment in a laboratory?
To identify potential hazards and assess their risks
ExplanationRisk assessments help prevent accidents by identifying and mitigating potential hazards.
#9
Which of the following is a common electrical safety precaution in laboratories?
Inspecting cords and plugs for damage regularly
ExplanationRegular inspections ensure electrical equipment is safe, reducing the risk of electrical hazards.
#10
What is the purpose of a spill kit in a laboratory?
To contain and clean up chemical spills safely
ExplanationSpill kits provide materials and instructions for safe and efficient chemical spill cleanup.
#11
What is the purpose of a fume hood in a laboratory?
To protect users from inhaling toxic fumes
ExplanationFume hoods exhaust harmful fumes, ensuring a safe working environment.
#12
Which of the following fire extinguishers is suitable for use on electrical fires?
Class C
ExplanationClass C extinguishers are designed for electrical fires, using non-conductive agents to suppress the flames.
#13
Which of the following is NOT a factor considered when determining the appropriate personal protective equipment (PPE) for a task?
The weather outside the laboratory
ExplanationPPE selection focuses on the specific hazards associated with the task, not external weather conditions.
#14
What is the purpose of a chemical fume hood in a laboratory?
To protect users from inhaling toxic fumes
ExplanationFume hoods vent toxic fumes, safeguarding laboratory personnel from inhalation hazards.
#15
What is the purpose of a biosafety cabinet in a laboratory?
To protect users from exposure to infectious agents
ExplanationBiosafety cabinets provide a containment environment, preventing the release of infectious agents during laboratory work.