Lab Safety Quiz

Example Questions From the Test

• 1A glass beaker breaks and leaves sharp pieces on the floor. How should the fragments generally be handled?
  • Use appropriate tools and place them in the designated broken-glass or sharps container
  • Sweep them into the ordinary trash so no one touches them
  • Pick them up by hand while wearing standard disposable gloves
  • Leave them in place until the laboratory’s routine cleaning period
• 2Before using an electrical instrument, you notice that its power cord is frayed. What is the appropriate action?
  • Wrap the damaged area with ordinary tape and use it at low power
  • Position the cord where no one will touch it during operation
  • Remove the instrument from use and report it for proper inspection or repair
  • Use it only if the exposed section is not touching the bench
• 3A centrifuge begins vibrating unusually soon after it starts. What is the best response?
  • Hold the lid down until the vibration decreases
  • Increase the speed briefly to move through the unstable range
  • Stop it according to procedure and check loading, balance, and equipment condition before reuse
  • Let the run finish because stopping may disturb the samples