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Thoroughly washing hands will sterilize them.
How long should the hands be lathered with soap and water?
Which of these steps will prevent the immediate recontamination of the hands after washing?
When should soap be added to the hands?
If gloves are worn in lab, hand washing is unnecessary.
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Terms in this set (33)
The purpose of lab safety rules and protocols is to:
protect everyone in the lab from injury and infection.
Which of the following are potential hazards encountered in the laboratory?
Corrosive chemicals
Open
flames
Sharps instruments
Infectious agents
Which of the following are personal items on the laboratory bench?
Purse
Book bag
Phone
The lab shower is used to clean large spills within the fume hood.
False
Which of the following should be done first in the event of a laboratory accident?
Notify the instructor
Which of the following selections below are laboratory safety protocols established to protect?
Immunocompromised individuals who enter into biohazardous lab rooms.
The lab workers directly involved with the protocol.
Visitors to the lab who do not understand the science experiment.
The lab equipment and materials used in the protocol.
Infectious agents in the laboratory are classified into four _____ levels based on their ease of transmission and ability to cause disease.
Biosafety
Which of the following are appropriate times to clean and disinfect the laboratory bench?
After the completion of lab activities.
Between each step of the lab protocol if the lab instructions call for this procedure.
Prior to the start of lab activities.
In which of the following situations would you use the fume hood pictured here?
Working with hazardous chemicals.
Which of the following are appropriate times to complete hand washing?
Any time the hands are potentially contaminated with chemicals or microorganisms.
Between each step of the lab protocol if the lab instructions call for this procedure.
Prior to the start of lab activities.
After the completion of lab activities.
In what type of emergency situation would you utilize the equipment seen in this image?
Removing a large volume of chemicals spilled on unprotected arms or splashed onto your face or eyes.
Which of the following are appropriate types of shoes in the lab?
Boots
Tennis shoes
Which of the following items must be placed into a hard-sided sharps container rather than a biohazard bag or regular trash can?
Scalpel blades
Glass slide and cover glass
Needles/syringes
Pasteur pipettes (glass)
Slides, scalpels, razor blades, cover glasses, and capillary tubes are all classified as:
Sharps
Which of the following materials should be discarded in a biohazard bag or biohazard bin?
Long plastic serological pipettes
Plastic petri dishes with cultures
Dissection tissue
Which of the following statements concerning lab protocols is correct?
Make-up and contact lenses should never be applied during lab.
Scrap notes, paper towels, and lens paper should be discarded into a _____ bin when you are finished with them.
Trash
Hand washing is not necessary if gloves have been worn throughout the lab exercise.
False
You have finished working with some bacterial cultures in glass tubes. What should you do to dispose of these cultures?
Autoclave them
Personal protective equipment (PPE) can help prevent contamination of an experiment.
True
When you are finished with the dissection tray and forceps used in dissection of a preserved specimen you should:
wash in the sink.
Where should you dispose of glass slides, syringes, used scalpel blades, and glass Pasteur pipettes?
Sharps container
All laboratory chemicals can be disposed of by pouring them down the drain.
False
Which of the following materials should be discarded in a biohazard bag?
Plastic petri dishes with cultures
Disinfectant-soaked paper towels used to clean a
microbial spill.
Dissection tissue
Long plastic serological pipettes
Which of the following materials should be discarded in a regular trash can?
Paper towels used to wipe off the lab bench before the exercise.
Scrap paper
Completed lab assignments that are no longer needed.
Which of the following items should be autoclaved after working in the lab?
Glass bacterial culture tubes
Which of the following materials should be washed in the sink?
Used glass beaker
Tray used in preserved specimen dissection.
Tools used in preserved specimen dissection.
Information on the hazards posed by a chemical used in the laboratory can consistently be found:
on the Safety Data Sheets (SDS).
Dissection specimens and bacterial culture plates should be discarded into a _____ bin when you are finished with them.
Biohazard
After they are used, reusable instruments or glassware that require sterilization should be placed in the
autoclave
Which of the following materials should be washed in the sink?
Beaker used for steaming during a staining exercise.
Forceps and probe used in dissection of a preserved specimen.
You have finished working with some bacterial cultures in glass tubes. What should you do to dispose of these cultures?
Autoclave them
When you are finished with the dissection tray and forceps used in dissection of a preserved specimen you should
Wash in the sink
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