Labflow Safety Quiz

*long earrings Remove *loose bracelets Remove *long hair Tie back or secure *long necklaces Remove flowy sleeves Tie back or secure Determine the safest option in the lab if you need your vision to be corrected. Select one: • Wear safety goggles while working and switch to corrective glasses when you need to read something *•Wear corrective glasses or lenses under your safety goggles for the whole experiment, but always check with your Ta or Instructor for your school's policy • Wear safety goggles without any corrective lenses for the whole experiment • Wear your corrective glasses or lenses as normal for the whole experiment What should you do every time before you leave the lab? Select one or more: Turn off the lights. *Remove your gloves. 00 *Remove your labcoat, if you are wearing one. @ © *• Wash your hands. • © Determine when to put on disposable gloves for work in the lab. Select one: • After cleaning all the glassware for the experiment *• Before handling any glassware or chemicals for the experiment O • After setting up all the glassware but before handling chemicals • Before entering the laboratory room Move to the safety shower if you spill hazardous chemicals on your skin or clothing Stand under the showerand pull the lever. Remove clothing and continue flushing the area for 15 minutes it is often helpful to remember the acronym PASS when using a fire extinguisher. Fill in the word that corresponds with each letter to complete the steps needed for operation of this device. *P: Pull• the pin. *A:Aim• the nozzle at the base of the fire. *S:Squeeze the lever slowly. *S:Sweep• the spray from side to side over the fire. What is the last step of any spill cleanup procedure? Select one: Post a sign in the area of the spill, alerting others to stay away. Soak up the spill with absorbent material, then discard. *• Wipe down the affected area with detergent and water. 0© Sweep the area with a broom and dustpan. Which steps are necessary for cleaning a spill involving broken glass? Select one or more: *Stop the spread of the spill. *Soak up any spilled liquid with absorbent material. *Pick up large pieces of glass with gloved hands. © ® Wash off the broken glass for recycling. What information does not need to be included on a chemical waste label? Select one: Names of the chemical compounds present in the container The date the waste container was filled completely Relative amounts of chemical compounds in the container *A description of the experiment the chemicals were used for • © What is the main precaution to take if a Gas Cylinder sign is present in the lab? Select one: • Remove the strap from around the gas cylinder to use it in the lab. *• Visually check that the gas cylinder is restrained but keep a safe distance from it. © ® • Test out the regulator on the gas cylinder to make sure it is working properly. • Open the valve on the gas cylinder periodically to release pressure. Identify the description that applies to the substance represented by each NFPA diamond. *stable, has health risks but no special hazards *has a flash point below room temperature *oxidizer, not flammable *moderately unstable or reactive In case of accidental contact with chemicals, how long should the eyes be flushed at the eyewash station? Select one: 30 minutes *15 minutes 5 minutes Until the irritation is gone What are the best practices for safely handling waste in the lab? Select one or more: Remove gloves for better manipulation of the waste containers. * Always wear appropriate Personal Protective Equipment. © © Place any paper towels from the clean-up in the trash. *Check labels or instructions before any disposal. O© In lab, you may need to evaluate the odor or smell of a chemical. What is the best way to smell a chemical sample? Select one: Put your head in a fume hood as you heat the sample in it. Hold the sample under your nose and slowly sniff. *Use your hand to gently waft the smell toward you. Vigorously shake the sample until the smell travels to you. Which signs are typically posted in areas of active lab work? Select one or more: *Safety equipment signs *Personal protective equipment (PPE) sign 0 © *Chemical storage signs O© *Sign prohibiting food and drink © © What should you do after finishing work with a reagent bottle? Select one or more: *Close the bottle. 0© Leave the bottle open in case someone else needs it. Place the bottle in the Solid Waste container. *Return the bottle to its proper storage location. O© A student removes a chemical sample from a reagent bottle to be used in an experiment. What should he do with any excess chemical remaining from this sample after the experiment is complete? Select one: Discard the chemical down the sink under running water. *Check and see if anyone else can use the chemical. If not, discard in the proper waste container. Clean a spatula thoroughly, then use it to add the chemical back into the reagent bottle. Conduct a second trial of the experiment with the excess chemical. Identify the types of information that are necessary to communicate with emergency responders. Select one or more: * Any chemicals involved in an incident O© The history of safety incidents in the lab *Any other hazards present in the lab O© *How the incident happened O© When an alarm sounds in the laboratory, it is important to respond calmly and remain quiet Listen for any other instructions, turn off any equipment in use, and be prepared to leave immediately. What is the first step for response to an emergency situation? Select one: Yell for help and assist with the evacuation of the lab. *Remain calm and quiet, gather information, and assess the situation.© Discuss the situation with the other students until everyone agrees on what to do. Run outside the building as quickly as possible and call 911. Read each statement regarding food and beverages in the lab and determine if each is true or false. Tobacco products of all kinds are prohibited in lab. True Beverages are allowed in lab as long as they are in containers with lids. False Chewing gum is okay in the lab as long as you don't blow bubbles. False Food items should not be brought into the lab. True