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WorksheetsQuiz: Aseptic Technique
Total questions: 28
Worksheet time: 14mins
At the beginning and end and between the first 2 quadrants
At the beginning and end and between the second and third quadrants
At the beginning and end and between each quadrants
What is the first thing you should do during aseptic culture transfer technique?
put on gloves
wash your hands
sterilize your workspace
Which one of the following is the most appropriate disinfectant for cleaning the work area (Laminar Flow Cabinet)?
saline
water
>70% ethanol
bleach
Why is it important that the Petri plates are incubated upside down?
To get dense colonies
To get mat culture
To get colonies with reduced growth
To prevent moisture from condensing onto the agar surface
Name the instrument and its purpose.
(a)
What is Subculturing?
(a)
pure isolated colonies
What is the bunsen burner used for?
Nutrients for bacteria
Sterilising equipment
Collecting/spreading bacteria
Stopping contamination
What is the agar used for?
Nutrients for bacteria
Sterilising equipment
Collecting/spreading bacteria
Stopping contamination
An investigator placed paper discs containing different concentrations of an antibiotic onto a culture of bacteria in a petri dish.
After an incubation period of two days, the dish looked like this.
Explain why there are areas around some of the paper discs where no bacteria are growing.
What do we call substances used to kill microorganisms on the surface of the body?
Which bacterial shape is the photo?
Which bacterial shape is the photo?
Which bacterial shape is the photo?
