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Microbiology Lab Final Exam Version 1 Actual Exam Newest 2025-2026 Complete All Questions And Correct Detailed Answers (Verified Answers) |Already Graded A+||Brand New Version!
Because we work with live cultures in the microbiology lab, it is very important that all of our used materials be discarded in the correct way.Match each of the following used items with the proper discard location.Answers may be used more than once.
Paper towels used to disinfect the workbench
Disposable gloves
Used Petri plates
Swabs used to inoculate a Petri plate
Used glass microscope slides
- In the large biohazard bin that sits beside the door 1 / 4
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- Sharps/broken glass discard container
- In the regular waste paper baskets
- It doesn't matter where you discard this item, because if you put it in
the wrong place, someone in charge will just move it to the right location anyway. - ANSWER-__3__ Paper towels used to disinfect the workbench __1__ Disposable gloves __1__ Used Petri plates __2__ Swabs used to inoculate a Petri plate __2__ Used glass microscope slides
Choose all of the statements that are TRUE. (Note: this is a multiple
select question. You must choose all of the true statements to get the question correct.) A) Paper towels used to disinfect the workbench must be disposed of in the biohazard bin B) Liquid cultures in glass test tubes should be poured down the sink with plenty of running water, and then the test tubes should be placed on the glassware trolley C) Gloves must always be disposed of in the biohazard bin (even if they weren't used to handle anything biohazardous) 2 / 4
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D) Swabs, toothpicks, disposable plastic pipettes and anything else even remotely pointy should always be discarded in the sharps/broken glass container - ANSWER-C) Gloves must always be disposed of in the biohazard bin (even if they weren't used to handle anything biohazardous) D) Swabs, toothpicks, disposable plastic pipettes and anything else even remotely pointy should always be discarded in the sharps/broken glass container
What should you do if you accidentally spill a culture in the microbiology lab? (This is a multiple select question, choose all that apply.) A) Stop, and think about what the potential hazards are and how to deal with them in a logical order.B) Ask a TA for help cleaning the spill if there is broken glass involved.C) Move any leaking cultures to the glassware discard trolley immediately.D) Wash your hands if you spilled culture on them, or suspect that you might have spilled culture on them. 3 / 4
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E) Cover the spill with paper towel before soaking the paper towel with disinfectant. - ANSWER-All are correct
If a bacterial culture is splashed on your skin, what is the first thing you should do?Wash skin thoroughly with soap and water.Inform the lab instructor or TA.Continue working as the culture is risk group 1; therefore unlikely to cause disease.Wash the affected area of skin with a small amount of alcohol. - ANSWER-Wash the affected area of skin with a small amount of alcohol.
What should you do if you accidentally get a bacterial culture in your mouth?A) Call 911 and take an ambulance to the nearest hospital.B) Rinse your mouth for 30 seconds with an antibacterial mouthwash such as Scope or Listerine.C) Rinse your mouth with copious amounts of water and inform your lab instructor.
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