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micro herkansing > hygiene and control 2 > Flashcards

hygiene and control 2 Flashcards

1
Q

what is a disadvantage of a microscope?

A

high detection limit

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2
Q

what is the difference between selective media and non selective media?

A

selective media: suitable for the specific organism
non selective media: rich in nutrients

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3
Q

name three surface sampling methods

A
  • dipslides
  • rodac plates
  • swabs
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4
Q

how do you measure the air

A

apparatus to suck up air over specific plate or strip (cfu/m3)

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5
Q

rate the detection limit of .. to from highest to lowest
ELISA
SPIRAL
PCR
CHROMOGENIC MEDIA
TEMPO
total plate count

A
  1. elisa (10^5)
  2. PCR (10^4)
  3. spiral plate (10^3)
  4. chromogenic media
  5. total plate count
  6. tempo
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6
Q

how much sample is plated in the pour plate method?

A

1000 micro L = 1mL

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7
Q

how much sample is plated in the spiral plate method?

A

50 or 100 mirco L

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micro herkansing (7 decks)

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