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FBS WEEK 2 > Lecture 2.11 Diagnosing Infection > Flashcards

Lecture 2.11 Diagnosing Infection Flashcards

1
Q

What is the best way to diagnose?

A

Isolate bacteria

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2
Q

What do resp viruses do?

A

Leave antigen on surface of host cell and take some cell membrane to coat themselves

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3
Q

What is MALDI-TOF?

A

Bacteria placed on metal plate, 2 mins there is a readout of what bacteria is present (mixed cultures cannot be interpreted)

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4
Q

What are the features of MacConkey agar?

A

Contains bile salts (bacteria don’t like), indicator medium - indicating the ability of the bacteria to ferment lactose (fermenters exhibit hot pink colour)

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5
Q

What are the features of blood agar?

A

Bacteria can produce toxins that lyse the red cells - clear agar = beta haemolysis (green agar = alpha haemolysis)

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FBS WEEK 2 (13 decks)

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