Questions and Answers
Which of the following activities is permitted in the laboratory?
It is acceptable to work in the laboratory without the instructor present.
False
What must be done with accidents or chemical spills in the laboratory?
They must be reported immediately to the instructor.
Students must not wear ______ shoes during any lab activities.
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Match the following safety items with their purpose:
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What should you do if a flame is left unattended in the laboratory?
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It is safe to fill pipettes by mouth suction.
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What should be done immediately after using a reagent bottle?
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To determine if glass is hot, you should place your hand _____ the object without touching it.
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Match the following safety practices with their descriptions:
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Study Notes
Laboratory Conduct and Safety Protocols
- Always behave responsibly in the laboratory; avoid frivolous activities and pranks.
- Read lab and safety information and procedures prior to experiments.
- Follow all verbal and written instructions precisely; negligence can lead to accidents.
- Prohibit eating, drinking, chewing gum, applying cosmetics, and manipulative contact lens adjustments in lab settings.
- Never work in the laboratory without the presence of an instructor; unauthorized actions are disallowed.
- Access to preparation and chemical storage areas is forbidden without proper authorization.
- Chemicals and equipment cannot be removed from the lab without instructor consent.
- Report all accidents, spills, and injuries to the instructor immediately, regardless of perceived severity.
- Wear appropriate clothing for lab work; should include secured hair, and avoid loose attire and dangling jewelry.
- Open-toed shoes and sandals are strictly prohibited during any lab activity.
Safety Equipment and Emergency Procedures
- Familiarize yourself with the locations of all safety equipment, such as eyewash stations, showers, fire extinguishers, fume hoods, and safety blankets.
- Know emergency shut-off switches for electricity and gas, as well as exits from the laboratory.
- Avoid handling any living organisms unless specifically authorized by the instructor; always wash hands after such interactions.
- Use laboratory gloves suitable for the specific hazards of the activity and ensure they are worn throughout.
- Goggles must be worn during all phases of an investigation, including cleanup and hand washing.
Chemical Handling and Equipment Use
- Avoid inhalation of fumes generated during experiments; never fill pipettes using mouth suction; instead, utilize suction bulbs or pumps.
- Forcing glass tubing into rubber stoppers can be dangerous; use glycerin as a lubricant and handle with a towel.
- Adhere to proper protocols when using heating devices; never leave flames unattended and be cautious of glass temperatures.
- Confirm the identity of a heated object by bringing your hand close without touching; hot glass can look like cold glass.
Laboratory Maintenance and Chemical Management
- In case of fire drills or evacuations, ensure all gas burners and electrical equipment are switched off before exiting.
- Always read reagent labels twice before use to ensure correct identification; do not return unused chemicals to their original containers.
- Clean and organize work areas consistently; ensure surfaces are tidied after each lab session for safety and efficiency.
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Description
Test your knowledge of laboratory safety procedures and responsible conduct in scientific environments. This quiz covers essential rules about behavior, safety measures, and what activities are strictly prohibited in the lab. Ensure you understand these guidelines for a safe and effective learning experience.
