Biology Lab Safety

Glassware should be washed

• before and after using

• after using it

• before using it

• when it looks dirty

Googles must be worn when

• using chemicals

• using glassware

• using the burner

• all of these are correct

When smelling a sustance a student should

• bring it close to the nose and take a quick sniff

• fan the fumes toward the nose

• smell it only if the instructor tells him/her to do so

• both b and c are correct

When observing microorganisms in a petri dish a student should

• open the dish slightly to observe

• take the top off to observe

• observe organisms without opening the dish

• observe through the bottom of the dish

• let the organism free

Which of the following is correct when working with electrical equipment?

• frayed cords should be pushed away from the student

• when removing the plug, pull by the cord

• wires and cords should be allowed to hang off the table

• none of these are correct

When excess chemicals have been obtained, they should be

• poured back into the container

• poured down the drain

• disposed of according to the instructors directions

• kept until the lab is finished

• drink the extra until the right level is obtained

When finished with the lab activity, its important to

• clean the work area and wash hands

• put away all equipment

• check the sink for trash and debris

• all are equally important

if a student needs to check to see if an object is hot, he or she should

• touch it quickly with the finger tip

• hold the back of hand near to check for radiation(heat)

• drop cold water on it to see if it beads up

• none of these should be done

Chipped or cracked glassware is okay to use if

• it is not being heated

• only water is being used it in

• the chipped area is not touched

• none are correct

Which of the following is most important when using an open flame

• tie back long hair

• keep flammable materials away from the flame

• do not put objects in the flame without instructions

• all are equally important