#1
Which of the following is a primary consideration for laboratory safety?
Completing experiments quickly
Wearing appropriate personal protective equipment (PPE)
Leaving equipment unattended
Ignoring emergency exits
#2
What should be done if a laboratory worker accidentally spills a chemical on their skin?
Ignore it and continue working
Wash the affected area with water for at least 15 minutes
Wait for someone else to assist
Use a paper towel to wipe it off
#3
What does the term 'LD50' represent in toxicology?
The amount of time it takes for a substance to degrade
The lethal dose that kills 50% of a test population
The number of laboratory accidents per year
The level of dust in a laboratory environment
#4
What is the primary function of a safety data sheet (SDS) in a laboratory?
Providing a list of laboratory equipment
Detailing the procedures for laboratory experiments
Providing information on the hazards of chemical products
Offering guidelines for laboratory organization
#5
What is the purpose of a spill response plan in a laboratory?
To encourage spills
To provide guidelines for cleaning up spills
To create chaos during spills
To ignore spills
#6
What does MSDS stand for in the context of laboratory safety?
Materials and Safety Data Sheet
Medical Standard Delivery System
Molecular Structure and Data Sheet
Material Safety Data Sheet
#7
In the laboratory, what is the primary purpose of an eyewash station?
Cleaning laboratory glassware
Rinsing eyes in case of chemical exposure
Storing chemicals
Washing hands
#8
Which of the following is an example of a biological hazard in a laboratory setting?
Broken glassware
Radioactive materials
Mold cultures
Flammable chemicals
#9
What is the purpose of a biosafety cabinet in a laboratory?
Providing extra seating
Protecting against chemical spills
Protecting against biological aerosols
Storing laboratory equipment
#10
Which type of fire extinguisher is suitable for use on electrical fires?
Class A
Class B
Class C
Class D
#11
What is the purpose of a spill kit in a laboratory?
To clean laboratory glassware
To contain and clean up chemical spills
To store biological samples
To organize laboratory equipment
#12
Which biohazard level is associated with agents that pose a moderate risk of infection and can cause serious diseases, but for which preventive or therapeutic interventions are often available?
Biohazard Level 1
Biohazard Level 2
Biohazard Level 3
Biohazard Level 4
#13
What is the primary purpose of a fume hood in a laboratory?
Providing extra lighting
Protecting against biohazards
Ventilating and containing chemical fumes
Sterilizing equipment
#14
In laboratory safety, what does the acronym PPE stand for?
Personal and Professional Equipment
Professional Protective Equipment
Personal Protective Equipment
Professional and Practical Equipment
#15
What is the primary purpose of an emergency shower in a laboratory?
To water plants
To rinse laboratory glassware
To provide emergency eyewash
To rinse the body in case of chemical exposure
#16
Which of the following is a common safety practice when working with laboratory glassware?
Inspecting glassware for cracks or defects before use
Using glassware without any inspection
Leaving glassware unattended
Ignoring proper storage procedures
#17
What is the purpose of a biohazard label on a container in the laboratory?
To indicate the brand of the product
To warn about potential chemical hazards
To identify materials containing biological agents
To provide decorative elements