Microbiology Lab Procedures Quiz Form
Test your knowledge of essential microbiology lab procedures. Answer all questions to the best of your ability.
Which of the following is the correct order for donning personal protective equipment (PPE) before entering a microbiology lab?
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Lab coat, gloves, goggles
Gloves, lab coat, goggles
Goggles, lab coat, gloves
Lab coat, goggles, gloves
Select all items that must be sterilized before and after working with bacterial cultures.
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Lab bench surface
Inoculation loop
Petri dish lid
Pipette tips
What is the primary purpose of using an autoclave in the microbiology laboratory?
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To incubate cultures at a specific temperature
To sterilize equipment and media
To dry glassware
To measure pH levels
After handling a bacterial spill, what is the FIRST action you should take?
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Notify your supervisor
Disinfect the spill area immediately
Remove gloves and leave the lab
Wash your hands
Rate your confidence in performing aseptic technique during inoculation.
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Not confident
1
2
3
4
Very confident
5
1 is Not confident, 5 is Very confident
Which statement best describes a colony on an agar plate?
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A visible mass of cells originating from a single cell
A group of mixed bacteria growing together
A liquid culture of microorganisms
A stain used to identify bacteria
Select all appropriate steps when disposing of used agar plates.
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Seal the plate with tape
Place in a biohazard bag
Autoclave before disposal
Throw directly into the trash
What color change indicates a positive result in a lactose fermentation test using MacConkey agar?
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Colorless
Pink/red
Blue
Yellow
Briefly describe the purpose of a Gram stain in microbiology.
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Which of the following practices helps prevent cross-contamination in the lab? (Select all that apply)
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Wearing gloves
Touching face while working
Regular hand washing
Disinfecting equipment
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