University:
Amherst College
Course:
BIOL 292 | Cell Structure and Function
Academic year:

2023
Views:

199

Pages:

4
Author:

sonalhava9qv

Staying Safe in the Lab Determine if the following situation follows safety rules. If it does write yes. If not write no and give the reason. 1. Bubba cannot find matches to light his Bunsen burner. The student next to him picks up a lighted burner and says, ‘Here you can use my flame to light your burner”. - No. Bubba did not let the instructor know so they can light it correctly without causing any injury to the students. 2. Jim Bob notices that the electrical cord on his microscope is frayed near the plug. He takes the microscope to his teacher and ask for permission to use another one. -Yes 3. The directions in lab manual instruct students to pour a small amount of hydrochloric acid into a beaker. Hawkeye puts on safety googles and a lab apron before pouring the acid into the beaker. - Yes 4. Trapper John finds a paper clip on the floor' and becomes curious. He wants to know what will happen if sticks the paper clip in the electrical outlet at his lab desk. His lab partners agree, and he performs his experiment - No. Trapper John should know not to stick anything into the electrical outlets. Since they have a constant current running through them there is a high chance he will get electrocuted. 5. While using ice in a lab, Major Burns puts a piece of ice down Captain Pierce’s shirt. To get even Pierce grabs a handful and returns the favor. - No. They are messing with the lab materials and not handling them with care. Determine the NFPA rating by looking up the MSDS of the following chemicals used commonly in Biology II Lab. Indicate which has the highest flammable risk and health hazard risk. Formaldehyde Water Ethanol Formaldehyde List five Safety rules broken in the following picture. 1. Sue long hair is out 2. Jim drinking chemicals 3. Tim Playing in lab 4. lots of them have no goggles on 5. Bav spilled chemical What piece of safety equipment should be used to put out the fire in this picture? - The fire blanket List two unsafe activities depicted in the illustration explain how it should be altered to make them safe. - The first unsafe activity is Sarah pouring in two chemicals at a time. Instead, she should pour them in one at a time to avoid any unnecessary chemical reaction. Another safety precaution is Andrew not wearing any protective gear and drinking out of the beaker. Andrew should put on the gear and refrain from drinking anything out of a flask. How should rick correct his technique? - Put the flask down and ask the instructor if the mixture is safe to inhale. Are these students behaving appropriately? If not, what should they be doing differently? - No. The students should be following the directions of the lab step by step and wear the appropriate gear, as well as following the guidelines put in place to keep them safe. Compare Evelyn’s technique with Kwan’s technique. Whose technique is the correct one? - Evelyn is taking her droplet and mixing chemical 1 into chemical 2 carefully, while Kwan is taking his pipette by mouth and putting chemical 1 into chemical 2. Evelyn’s technique is correct. Identify 3 unsafe activities shown here? - Boys in the back playing - Food in the lab - Long hair down Explain alternative procedures for each activity you identify. - Boys put the tools down and pay attention - Pack up the food and eat it after the lab - Tie up long hair

Staying Safe in the Lab Worksheet

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