BIOL201 LAB SAFETY WORKSHEET 2024

Only teacher has a responsibility for safe lab - ANS false Long hair must always be tied back when using an open flame in lab - ANS true Which is not the proper way to dress for lab? - ANS baggy/loose clothing (should wear closed toe shoes, goggles, apron) Which is not appropriate to have on your lab table during an experiment? - ANS backpack (pen, lab instructions and equipment good) Pranks and horseplay are permitted in the lab, but only at the appropriate time. A. True B. False - ANS False Eating and drinking in the lab are permissible only if you wash your hands and use clean glassware - ANS false Lab is not the place for erratic behavior; instead, it is a place where your actions should be thought through and purposeful. A. True B. False - ANS true It is sometimes permissible to continue with your laboratory investigation even if you are unsure what to do next. - ANS false You should always raise your hand if you have a question or do not understand the instructions - ANS true All of the following must be avoided except A. Working in a lab unsupervised B. Taking chemicals from a stockroom or lab C. Notifying the teacher in the event of an emergency D. Performing an experiment without permission - ANS C. Notifying the teacher in the event of an emergency personal safety equipment includes all but which of the following A. Goggles B. Apron C. Gloves D. Fire blanket - ANS D. Fire blanket Classroom safety equipment includes all but which of the following? A. Closed-toed shoes B. Fire extinguisher C. Eyewash station D. Fire Blanket - ANS A. Closed-toed shoes How long should the eyes be flushed with water when using an eyewash, before seeking medical attention. - ANS 20 minutes When using a fire extinguisher, there are steps to follow that can be summarized with the acronym PASS? - ANS P- pull A- aim S- squeeze S- Spray It is never permissible to taste (smell, touch) substances in the lab, including foodstuffs. A. True B. False - ANS True It is extremely important that you read labels carefully - ANS True To identify a substance by its smell you should waft, or fan a small amount of vapor toward your nose - ANS true The proteins in your skin and eyes could be damaged or destroyed if they come in contact with an acid or a base. - ANS true When dealing with flammable substances, all of the following should be kept far away, except A. Fire extinguisher B. Hot plate C. Bunsen burner D. Alcohol barrier - ANS Fire extinguisher Which of the following steps is not appropriate when transporting chemicals? A. Walk defensively B. Keep elbows close to the body C. Use both hands D. Horseplay - ANS D. Horseplay After a lab, it is permissible to dispose of all substances down the drain without consulting your instructor - ANS False Is there are safety hazards or concerns in lab, you should notify your teacher immediately. - ANS true Which of the following should not be used when handling broken glass? A. Protective gloves B. Bare hands C. Broom and dust pan D. Broken glassware container - ANS B. Bare hands Sometimes it is permissible to have a flammable liquid near a Bunsen burner, alcohol burner or hot plate. - ANS false A Bunsen burner i slit and operating properly when an internal blue flame is visible and a gentle roar is heard. - ANS True When heating a substance in a test tube, it is permissible to look into the test tube or to point the tube in the direction of other students. - ANS False Hot and cold glassware A. Looks different; hot glassware is red and cold glassware is blue. B. Looks exactly the same C. Looks different, hot glassware is opaque and cold glassware is translucent D. Looks different, hot glassware is iridescent and cold glassware is dull - ANS B. Looks exactly the same Identify 3 safety concerns in picture - ANS A. no safety googles B. Using chemicals with bare hands C. Not wearing safety apron