#1
What is the primary purpose of a fume hood in a laboratory?
To contain and exhaust harmful fumes
ExplanationTo prevent the spread of harmful fumes and protect laboratory personnel.
#2
Which of the following types of fire extinguishers is suitable for use on electrical fires?
Class C
ExplanationDesigned to safely extinguish fires involving electrical equipment without conducting electricity.
#3
What is the purpose of an autoclave in a laboratory?
To sterilize equipment and materials using high-pressure steam
ExplanationEffectively kills bacteria, viruses, and fungi to prevent contamination.
#4
What should you do if you accidentally spill a chemical on your skin in the laboratory?
Rinse the affected area with water for at least 15 minutes
ExplanationHelps dilute and wash away the chemical, reducing the risk of burns or absorption.
#5
What is the purpose of a fume cupboard in a laboratory?
To contain and exhaust harmful fumes
ExplanationProvides a controlled environment to work with hazardous substances safely.
#6
What does MSDS stand for in laboratory safety?
Material Safety Data Sheet
ExplanationProvides information on the properties and hazards of chemicals used in the lab.
#7
In a laboratory setting, what does the acronym PPE typically refer to?
Personal Protective Equipment
ExplanationIncludes gear like goggles, gloves, and lab coats to minimize exposure to hazards.
#8
What does the acronym NFPA 704, commonly seen as a diamond-shaped label, indicate in laboratory safety?
Fire hazards
ExplanationProvides information on the hazards posed by chemicals, such as flammability, reactivity, and health risks.
#9
What is the purpose of an eyewash station in a laboratory?
To flush the eyes in case of chemical exposure
ExplanationQuickly removes chemicals from the eyes to prevent damage and minimize the risk of injury.
#10
What does SOP stand for in laboratory safety?
Standard Operating Procedure
ExplanationEstablishes a set of instructions for routine lab tasks to ensure consistency and safety.
#11
Which of the following is NOT an appropriate action in case of a chemical spill in the laboratory?
Immediately wash the spilled chemicals down the drain with water
ExplanationThis can cause further contamination and harm to the environment and personnel.
#12
Which of the following is NOT a recommended practice when handling laboratory glassware?
Wear gloves when handling glassware
ExplanationGloves can increase the risk of dropping or mishandling glassware, which may lead to breakage and injury.
#13
What is the primary purpose of an emergency shower in a laboratory?
To douse a person in case of chemical exposure
ExplanationProvides immediate and thorough decontamination for individuals exposed to hazardous substances.
#14
What is the primary purpose of a spill kit in a laboratory?
To absorb and contain chemical spills
ExplanationContains materials to quickly and safely clean up chemical spills and prevent their spread.