Lab Safety Protocols

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Questions and Answers

What is the primary purpose of wearing safety goggles in the laboratory?

To protect eyes from chemicals and other hazardous materials

Why is eating and drinking prohibited in the laboratory?

Food may pick up toxic chemicals

What should you do if you need to smell a chemical's odor?

Waft the odor towards your nose with your hand

Why is it essential to label all containers in the laboratory?

To identify their contents Signup and view all the answers

What should you do if you spill a chemical on your skin?

Rinse it off immediately with large amounts of water Signup and view all the answers

Why is it important to use clean, dry spatulas when removing chemicals from bottles?

To prevent contamination and ensure accurate measurements Signup and view all the answers

What should you do with excess chemicals after an experiment?

Properly dispose of them Signup and view all the answers

Why is it important to avoid touching hot objects in the laboratory?

To prevent burns Signup and view all the answers

What should you wear to lab to ensure your safety?

Clothing that covers as much skin as possible, no sandals, and older clothes if possible. Signup and view all the answers

Why is it important to read the entire experiment before coming to lab?

To understand the experiment and safety precautions before starting the lab. Signup and view all the answers

What should you do if you arrive late to lab and miss a substantial portion of the introductory discussion?

You may be denied the privilege of completing the assigned experiment. Signup and view all the answers

Why is it important to keep your benchtop uncluttered?

To prevent accidents and ensure a safe working environment. Signup and view all the answers

Where should you place your personal items during lab?

In the designated areas near the entrance to the lab. Signup and view all the answers

What should you do with waste chemicals?

Dispose of them properly according to the instructor's instructions. Signup and view all the answers

Why is it important to notify your instructor immediately of all accidents?

To get immediate attention and prevent further harm. Signup and view all the answers

What should you learn to locate and operate in the lab?

The safety shower, fire extinguisher, eye-wash fountain, fire blanket, and fire exit. Signup and view all the answers

Under what circumstances are drawers and cabinets allowed to be open in the lab?

When items are being taken from or returned to these drawers. Signup and view all the answers

What should you consider when planning a short break during the experiment?

Try to plan the break during a less critical time in the experiment, turn off the hot plate, and inform a neighbor and the instructor. Signup and view all the answers

What is the consequence if a student is deemed to be a safety hazard to themselves or others due to the influence of drugs or other factors?

The instructor may refuse to allow the student to continue working in the lab that day, and if the situation is noted more than once, the student may be permanently removed from the course. Signup and view all the answers

What are the three tasks that should be completed at the end of every lab session?

Return clean glassware to your drawer, clean your benchtop, and wash your hands thoroughly. Signup and view all the answers

Why is it important to turn off electrical devices and water at the end of the lab session?

To prevent accidents and ensure a safe working environment. Signup and view all the answers

What is the primary reason for informing a neighbor and the instructor when taking a short break during the experiment?

To ensure they are aware of your absence and can provide assistance if needed. Signup and view all the answers

Study Notes

Laboratory Safety Rules

Safety goggles must be worn in the lab at all times to protect eyes from chemicals and other hazards.
Eating and drinking are prohibited in the lab to prevent ingesting toxic chemicals.
Inhaling fumes or vapors is not allowed, and fume hoods must be used for dangerous or irritating chemicals.
Chemicals should never be tasted, as they can be corrosive and poisonous even in small quantities.
Unauthorized experiments are not permitted, and students must work under instructor supervision to avoid accidents.
Nothing, including chemicals and glassware, can be removed from the lab as it is illegal.
Containers must be labeled to identify their contents.
Reagent bottles should not be contaminated by putting anything back into them, and only clean, dry spatulas should be used to remove chemicals.
Excess chemicals must be properly disposed of to prevent hazards.
Chemicals should be left in their proper place and not carried to the benchtop in original containers.
Hot objects should be handled carefully, and beaker tongs should be used to remove hot containers from the hot plate.
Skin spills should be rinsed immediately with large amounts of water to prevent harm.
Broken glassware should be cleaned up immediately and disposed of in the labeled crock at the front of the lab.
Accidents, including spills and injuries, must be reported to the instructor immediately.
Students should know the location and operation of safety equipment, including the safety shower, fire extinguisher, eye-wash fountain, fire blanket, and fire exit.

Laboratory Procedures

Students must dress properly for lab, wearing clothing that covers as much skin as possible, and confine loose clothing and long hair.
Students should read the entire experiment before coming to lab and arrive on time to avoid missing important safety discussions and instructions.
Working independently is expected unless otherwise instructed, and students should keep their benchtop uncluttered.
Drawers and cabinets should be kept closed except when taking or returning items to maintain a safe and organized work environment.
Planned breaks should be taken during less critical times in the experiment, and students should inform their neighbors and instructor.
Students should not come to lab under the influence of drugs or medication that may affect their judgment or ability to work safely.
Students must clean up at the end of each lab session, returning clean glassware to their drawer, cleaning their benchtop, and washing their hands thoroughly.

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Description

This quiz covers important safety procedures to follow in a laboratory setting, including proper disposal of waste chemicals and emergency protocols.