Safety Review

You see an interesting flower when we go to the gardens. You want to take a specimen. What should you do FIRST?

• Draw a picture

• Write a note of it in your notebook

• Pick the flower and put it in a bag

• Ask the teacher

A student places a tissue sample on a microscope slide. The slide is dropped and breaks. What should you do FIRST?

• Collect the sample off the broken pieces

• Pick up the big pieces

• Sweep it up and put it in the trash

• Inform the teacher

What should you do IMMEDIATELY AFTER handling a plant sample in the lab?

• Apply disinfectant to the counter

• Throw the plant in the trash

• Wash your hands with anti-bacterial soap

• Place hands under a UV light

We went around campus and swabbed surfaces to collect bacteria samples. After a few weeks, you watch the cultures grow. Why would you want to clean up all the materials for this lab in BLEACH?

• To remove the odor from the petri dish

• To destroy the bacterial cultures

• To make the plastic scratch resistant

• To dissolve the agar on the dish

You are going to heat a test tube of rubbing alcohol in a hot water bath. Your safety equipment for this lab would have a fire blanket and all the following EXCEPT...

• Lab apron

• Broken glass container

• Safety goggles

• Acid neutralizer

Which lab setup would be appropriate to use in heating 200 mL of water to the boiling point?

• A 200 mL cylinder on a hot plate

• A 300 mL beaker on a hot plate

• A thermal coil inside a 200 mL cylinder

• A sealed 100 mL test tube in a hot water bath.

You read a safety label on a chemical for lab and it says "inhaling or swallowing vapors may be harmful or fatal." What would be the MOST IMPORTANT safety precaution?

• Wear a lab coat

• Work in a well-ventilated area

• Cover the work area with flame retardant

• Light the work area with a flame

You are potting plants in lab and using an ammonium sulfate fertilizer. Ammonium sulfate is an eye irritant. What should be available for this lab?

• Fire extinguisher

• Eyewash station

• Bucket of sand

• Baking soda

Before beginning a lab, the teacher points out that you may need to use the eyewash station or wash bottles if you the the lab chemicals in your eyes. What else is needed for the lab, if you are working with eye irritants?

• Helmet

• Goggles

• Heavy gloves

• Fire extinguisher

What statement applies to ALL lab situations and scenarios?

• Clear liquids in glassware are safe to drink

• Clean up a broken thermometer with wet paper towels and put it in the trash

• Safety goggles are not needed if you wear prescription glasses

• Do not pour solutions down the sink without the teacher's permission