aseptic techniques Flashcards
(3 cards)
1
Q
4 ways to reduce contamination?
A
disinfect all surfaces
sterilise all equipment
flame bottle openings
pinky-palm technique
2
Q
why should you work within 20cm of the bunsen burner?
A
convection current draws environmental bacteria away from the sterile environment.
3
Q
why should you only open the petri dish when needed?
A
prevent environmental bacteria from entering
